Hannes Siebenhandl pushed to branch wip/fendor/freeze-throw at Glasgow Haskell Compiler / GHC

Commits:

24 changed files:

Changes:

  • libraries/ghc-internal/src/GHC/Internal/Exception.hs
    ... ... @@ -87,7 +87,7 @@ throw e =
    87 87 
         -- Note also the absolutely crucial `noinine` in the RHS!
    88 88 
         --   See Note [Hiding precise exception signature in throw]
    89 89 
         let se :: SomeException
    90 
    -        !se = noinline (unsafePerformIO (toExceptionWithBacktrace e))
    90 
    +        !se = noinline (unsafePerformIO (withFrozenCallStack $ toExceptionWithBacktrace e))
    91 91 
         in raise# se
    92 92
    93 93 
     -- Note [Capturing the backtrace in throw]
    ... ... @@ -162,7 +162,12 @@ throw e =
    162 162 
     -- primops which allow more precise guidance of the demand analyser's heuristic
    163 163 
     -- (e.g. #23847).
    164 164
    165 
    --- | @since base-4.20.0.0
    165 
    +-- | Collect a Backtrace and attach it to the 'Exception'.
    166 
    +--
    167 
    +-- It is recommended to use 'withFrozenCallStack' when calling this function
    168 
    +-- in order to avoid leaking implementation details of 'toExceptionWithBacktrace'.
    169 
    +--
    170 
    +--  @since base-4.20.0.0
    166 171 
     toExceptionWithBacktrace :: (HasCallStack, Exception e)
    167 172 
                              => e -> IO SomeException
    168 173 
     toExceptionWithBacktrace e

  • libraries/ghc-internal/src/GHC/Internal/STM.hs
    ... ... @@ -28,7 +28,7 @@ import GHC.Internal.Base
    28 28 
     import GHC.Internal.Exception (Exception, toExceptionWithBacktrace, fromException, addExceptionContext)
    29 29 
     import GHC.Internal.Exception.Context (ExceptionAnnotation)
    30 30 
     import GHC.Internal.Exception.Type (WhileHandling(..))
    31 
    -import GHC.Internal.Stack (HasCallStack)
    31 
    +import GHC.Internal.Stack (HasCallStack, withFrozenCallStack)
    32 32
    33 33 
     -- TVars are shared memory locations which support atomic memory
    34 34 
     -- transactions.
    ... ... @@ -187,7 +187,7 @@ throwSTM e = do
    187 187 
         -- N.B. Typically use of unsafeIOToSTM is very much frowned upon as this
    188 188 
         -- is an easy way to end up with nested transactions. However, we can be
    189 189 
         -- certain that toExceptionWithBacktrace will not initiate a transaction.
    190 
    -    se <- unsafeIOToSTM (toExceptionWithBacktrace e)
    190 
    +    se <- unsafeIOToSTM (withFrozenCallStack $ toExceptionWithBacktrace e)
    191 191 
         STM $ raiseIO# se
    192 192
    193 193 
     -- | Exception handling within STM actions.

  • libraries/ghc-internal/tests/backtraces/T15395a.stderr
    ... ... @@ -3,7 +3,5 @@ T15395a: Uncaught exception ghc-internal:GHC.Internal.Exception.ErrorCall:
    3 3 
     throw error
    4 4
    5 5 
     HasCallStack backtrace:
    6 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:170:37 in ghc-internal:GHC.Internal.Exception
    7 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:90:42 in ghc-internal:GHC.Internal.Exception
    8 6 
       throw, called at T15395a.hs:5:3 in main:Main
    9 7

  • libraries/ghc-internal/tests/backtraces/T15395c.stderr
    ... ... @@ -3,7 +3,5 @@ T15395c: Uncaught exception ghc-internal:GHC.Internal.Exception.ErrorCall:
    3 3 
     STM error
    4 4
    5 5 
     HasCallStack backtrace:
    6 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:175:37 in ghc-internal:GHC.Internal.Exception
    7 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/STM.hs:190:26 in ghc-internal:GHC.Internal.STM
    8 6 
       throwSTM, called at T15395c.hs:8:5 in main:Main
    9 7

  • testsuite/tests/arrows/should_compile/T21301.stderr
    ... ... @@ -4,7 +4,5 @@ T21301.hs:(8,7)-(10,6): Non-exhaustive patterns in case
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deSugar/should_fail/DsStrictFail.stderr
    ... ... @@ -4,7 +4,5 @@ DsStrictFail.hs:4:12-23: Non-exhaustive patterns in False
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deSugar/should_run/T20024.stderr
    ... ... @@ -4,7 +4,5 @@ T20024.hs:2:12-32: Non-exhaustive guards in pattern binding
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:431:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deSugar/should_run/dsrun005.stderr
    ... ... @@ -4,7 +4,5 @@ dsrun005.hs:42:1-18: Non-exhaustive patterns in function f
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deSugar/should_run/dsrun007.stderr
    ... ... @@ -4,7 +4,5 @@ dsrun007.hs:5:23-25: Missing field in record construction
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:432:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deSugar/should_run/dsrun008.stderr
    ... ... @@ -4,7 +4,5 @@ dsrun008.hs:2:32-36: Non-exhaustive patterns in (2, x)
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/deriving/should_run/T9576.stderr
    ... ... @@ -13,7 +13,5 @@ T9576.hs:6:31: error: [GHC-39999]
    13 13 
     (deferred type error)
    14 14
    15 15 
     HasCallStack backtrace:
    16 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    17 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    18 16 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    19 17

  • testsuite/tests/ghci/scripts/Defer02.stderr
    ... ... @@ -71,8 +71,6 @@ Defer01.hs:49:5: warning: [GHC-83865] [-Wdeferred-type-errors (in -Wdefault)]
    71 71 
     (deferred type error)
    72 72
    73 73 
     HasCallStack backtrace:
    74 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    75 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    76 74 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    77 75
    78 76 
     *** Exception: Defer01.hs:13:5: error: [GHC-83865]
    ... ... @@ -82,8 +80,6 @@ HasCallStack backtrace:
    82 80 
     (deferred type error)
    83 81
    84 82 
     HasCallStack backtrace:
    85 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    86 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    87 83 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    88 84
    89 85 
     *** Exception: Defer01.hs:17:9: error: [GHC-39999]
    ... ... @@ -93,8 +89,6 @@ HasCallStack backtrace:
    93 89 
     (deferred type error)
    94 90
    95 91 
     HasCallStack backtrace:
    96 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    97 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    98 92 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    99 93
    100 94 
     <interactive>:10:11: error: [GHC-83865]
    ... ... @@ -107,14 +101,12 @@ HasCallStack backtrace:
    107 101
    108 102 
     *** Exception: Defer01.hs:27:5: error: [GHC-39999]
    109 103 
         • No instance for ‘Num (a -> a)’ arising from the literal ‘1’
    110 
    -        (maybe you haven't applied a function to enough arguments?)
    104 
    +      (maybe you haven't applied a function to enough arguments?)
    111 105 
         • In the expression: 1
    112 106 
           In an equation for ‘d’: d = 1
    113 107 
     (deferred type error)
    114 108
    115 109 
     HasCallStack backtrace:
    116 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    117 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    118 110 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    119 111
    120 112 
     *** Exception: Defer01.hs:30:5: error: [GHC-83865]
    ... ... @@ -127,8 +119,6 @@ HasCallStack backtrace:
    127 119 
     (deferred type error)
    128 120
    129 121 
     HasCallStack backtrace:
    130 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    131 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    132 122 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    133 123
    134 124 
     *** Exception: Defer01.hs:33:8: error: [GHC-25897]
    ... ... @@ -146,8 +136,6 @@ HasCallStack backtrace:
    146 136 
     (deferred type error)
    147 137
    148 138 
     HasCallStack backtrace:
    149 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    150 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    151 139 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    152 140
    153 141 
     *** Exception: Defer01.hs:38:17: error: [GHC-83865]
    ... ... @@ -161,8 +149,6 @@ HasCallStack backtrace:
    161 149 
     (deferred type error)
    162 150
    163 151 
     HasCallStack backtrace:
    164 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    165 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    166 152 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    167 153
    168 154 
     *** Exception: Defer01.hs:42:5: error: [GHC-39999]
    ... ... @@ -172,8 +158,6 @@ HasCallStack backtrace:
    172 158 
     (deferred type error)
    173 159
    174 160 
     HasCallStack backtrace:
    175 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    176 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    177 161 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    178 162
    179 163 
     <interactive>:16:8: error: [GHC-18872]
    ... ... @@ -192,7 +176,5 @@ HasCallStack backtrace:
    192 176 
     (deferred type error)
    193 177
    194 178 
     HasCallStack backtrace:
    195 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    196 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    197 179 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    198 180

  • testsuite/tests/ghci/scripts/T15325.stderr
    ... ... @@ -24,7 +24,5 @@ T15325.hs:11:9: warning: [GHC-39999] [-Wdeferred-type-errors (in -Wdefault)]
    24 24 
     (deferred type error)
    25 25
    26 26 
     HasCallStack backtrace:
    27 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    28 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    29 27 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    30 28

  • testsuite/tests/patsyn/should_run/ghci.stderr
    ... ... @@ -2,7 +2,5 @@
    2 2
    3 3
    4 4 
     HasCallStack backtrace:
    5 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    6 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    7 5 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    8 6

  • testsuite/tests/quotes/LiftErrMsgDefer.stderr
    ... ... @@ -11,7 +11,5 @@ LiftErrMsgDefer.hs:14:12: warning: [GHC-28914] [-Wdeferred-type-errors (in -Wdef
    11 11 
     (deferred type error)
    12 12
    13 13 
     HasCallStack backtrace:
    14 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    15 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    16 14 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    17 15

  • testsuite/tests/safeHaskell/safeLanguage/SafeLang15.stderr
    ... ... @@ -4,7 +4,5 @@ SafeLang15.hs:22:9-37: Non-exhaustive patterns in Just p'
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/type-data/should_run/T22332a.stderr
    ... ... @@ -4,7 +4,5 @@ T22332a.hs:18:1-35: Non-exhaustive patterns in Just eq
    4 4
    5 5
    6 6 
     HasCallStack backtrace:
    7 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    8 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    9 7 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:434:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    10 8

  • testsuite/tests/typecheck/should_run/T10284.stderr
    ... ... @@ -7,7 +7,5 @@ T10284.hs:7:5: error: [GHC-83865]
    7 7 
     (deferred type error)
    8 8
    9 9 
     HasCallStack backtrace:
    10 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    11 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    12 10 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    13 11

  • testsuite/tests/typecheck/should_run/T13838.stderr
    ... ... @@ -9,7 +9,5 @@ T13838.hs:6:1: error: [GHC-83865]
    9 9 
     (deferred type error)
    10 10
    11 11 
     HasCallStack backtrace:
    12 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    13 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    14 12 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    15 13

  • testsuite/tests/typecheck/should_run/T9497a-run.stderr
    ... ... @@ -19,7 +19,5 @@ T9497a-run.hs:2:8: error: [GHC-88464]
    19 19 
     (deferred type error)
    20 20
    21 21 
     HasCallStack backtrace:
    22 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    23 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    24 22 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    25 23

  • testsuite/tests/typecheck/should_run/T9497b-run.stderr
    ... ... @@ -19,7 +19,5 @@ T9497b-run.hs:2:8: error: [GHC-88464]
    19 19 
     (deferred type error)
    20 20
    21 21 
     HasCallStack backtrace:
    22 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    23 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    24 22 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    25 23

  • testsuite/tests/typecheck/should_run/T9497c-run.stderr
    ... ... @@ -19,7 +19,5 @@ T9497c-run.hs:2:8: error: [GHC-88464]
    19 19 
     (deferred type error)
    20 20
    21 21 
     HasCallStack backtrace:
    22 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    23 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    24 22 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    25 23

  • testsuite/tests/unsatisfiable/T23816.stderr
    ... ... @@ -8,7 +8,5 @@ T23816.hs:18:15: error: [GHC-22250]
    8 8 
     (deferred type error)
    9 9
    10 10 
     HasCallStack backtrace:
    11 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    12 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    13 11 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    14 12

  • testsuite/tests/unsatisfiable/UnsatDefer.stderr
    ... ... @@ -7,7 +7,5 @@ UnsatDefer.hs:20:7: error: [GHC-22250]
    7 7 
     (deferred type error)
    8 8
    9 9 
     HasCallStack backtrace:
    10 
    -  collectExceptionAnnotation, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:169:13 in ghc-internal:GHC.Internal.Exception
    11 
    -  toExceptionWithBacktrace, called at libraries/ghc-internal/src/GHC/Internal/Exception.hs:89:42 in ghc-internal:GHC.Internal.Exception
    12 10 
       throw, called at libraries/ghc-internal/src/GHC/Internal/Control/Exception/Base.hs:435:30 in ghc-internal:GHC.Internal.Control.Exception.Base
    13 11

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