Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC

Commits:

• 0a9d9ffc
  by Sylvain Henry at 2025-09-19T13:12:14-04:00

  Fix output of T14999 (#23685)
  
  Fix output of T14999 to:
  - take into account the +1 offset to DW_AT_low_pc (see Note [Info Offset])
  - always use Intel's syntax to force consistency: it was reported that
    sometimes GDB prints `jmpq` instead of `jmp` with the AT&T syntax
  

2 changed files:

• testsuite/tests/codeGen/should_compile/Makefile
• testsuite/tests/codeGen/should_compile/T14999.stdout

Changes:

 T14999:

 	'$(TEST_HC)' $(TEST_HC_OPTS) -O2 -g -c T14999.cmm -o T14999.o

-	gdb --batch -ex 'file T14999.o' -ex 'disassemble stg_catch_frame_info' --nx | tr -s '[[:blank:]\n]'

+	gdb --batch -ex 'set disassembly-flavor intel' -ex 'file T14999.o' -ex 'disassemble stg_catch_frame_info' --nx | tr -s '[[:blank:]\n]'

 	LANG=C readelf --debug-dump=frames-interp T14999.o | tr -s '[[:blank:]\n]'

 T15196:

 Dump of assembler code for function stg_catch_frame_info:

- 0x0000000000000010 <+0>:	add $0x18,%rbp

- 0x0000000000000014 <+4>:	jmpq *0x0(%rbp)

+ 0x0000000000000010 <+1>:	add rbp,0x18

+ 0x0000000000000014 <+5>:	jmp QWORD PTR [rbp+0x0]

 End of assembler dump.

 Contents of the .debug_frame section:

 00000000 0000000000000014 ffffffff CIE "" cf=1 df=-8 ra=16