https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98776
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Martin Liška from comment #5) > (In reply to Richard Biener from comment #4) > > Martin, can you bisect what fixed it? > > Sure. Please help me how to verify what is a correct output? Isn't that > related to DWARF 5 change done in GCC 11? It's consistent with -gdwarf-2 -gstrict-dwarf as well, so no. A broken executable will output a short disassembly from gdb: > gcc-10 t.c -g -O -fpatchable-function-entry=16 > gdb -ex 'disassemble foo' -batch ./a.out | wc -l 3 actual output is Dump of assembler code for function foo: 0x00000000004004a6 <+0>: ret End of assembler dump. where a correctly working one is > gdb -ex 'disassemble foo' -batch ./a.out | wc -l 19 with output Dump of assembler code for function foo: 0x0000000000400476 <+0>: nop 0x0000000000400477 <+1>: nop 0x0000000000400478 <+2>: nop 0x0000000000400479 <+3>: nop 0x000000000040047a <+4>: nop 0x000000000040047b <+5>: nop 0x000000000040047c <+6>: nop 0x000000000040047d <+7>: nop 0x000000000040047e <+8>: nop 0x000000000040047f <+9>: nop 0x0000000000400480 <+10>: nop 0x0000000000400481 <+11>: nop 0x0000000000400482 <+12>: nop 0x0000000000400483 <+13>: nop 0x0000000000400484 <+14>: nop 0x0000000000400485 <+15>: nop 0x0000000000400486 <+16>: ret End of assembler dump.
