
#9416: newArray# incorrectly inlines big arrays (overflow1.hs SIGSEGVS on ./validate --slow) -------------------------------------+------------------------------------- Reporter: slyfox | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Keywords: | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Easy (less than 1 | Type of failure: hour) | None/Unknown Blocked By: | Test Case: Related Tickets: | Blocking: | Differential Revisions: -------------------------------------+------------------------------------- Found by ./validate: '''testsuite/tests/rts/overflow1.hs''' SIGSEGVs due to integer overflow somewhere around [https://git.haskell.org/ghc.git/blob/c88559b3304cc5e142ab9c2655d48e570f81afe... shouldInlinePrimOp] {{{#!hs ... shouldInlinePrimOp dflags NewByteArrayOp_Char [(CmmLit (CmmInt n _))] | fromInteger n <= maxInlineAllocSize dflags = ... }}} '''maxInlineAllocSize''' has ''':: Int''' type: {{{#!hs fromInteger (2^64 - 10) < (128 :: Int) True }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9416 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler