[Bug target/114116] [14 Regression] Broken backtraces in bootstrapped x86_64 gcc

[lukas.graetz@tu-darmstadt.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114116

--- Comment #11 from Lukas Grätz <lukas.graetz@tu-darmstadt.de> ---
(In reply to H.J. Lu from comment #10)
> (In reply to Lukas Grätz from comment #9)
> 
> > 
> > Not on my computer. When I used -g I got:
> > 
> > 
> > no_return_to_caller:
> > .LFB0:
> > 	.loc 1 16 1 view -0
> > 	.cfi_startproc
> > 	.loc 1 17 3 view .LVU1
> > 	.loc 1 18 3 view .LVU2
> > .LVL0:
> > 	.loc 1 18 26 discriminator 1 view .LVU3
> > 	.loc 1 16 1 is_stmt 0 view .LVU4
> > 	pushq	%rbp
> > 	.cfi_def_cfa_offset 16
> > 	.cfi_offset 6, -16
> > 	movl	$array+67108860, %eax
> > 	.loc 1 21 31 view .LVU5
> > 	xorl	%r13d, %r13d
> > 	.loc 1 16 1 view .LVU6
> > 
> > 
> > Still no .cfi_undefined 13. In principle, it should also be generated
> > without -g, as the rest of .cfi_offset and friends.
> 
> Did you apply my patch?  I got
> 
> 	.globl	no_return_to_caller
> 	.type	no_return_to_caller, @function
> no_return_to_caller:
> .LFB0:
> 	.file 1 "pr38534-1.c"
> 	.loc 1 16 1 view -0
> 	.cfi_startproc
> 	.loc 1 17 3 view .LVU1
> 	.loc 1 18 3 view .LVU2
> .LVL0:
> 	.loc 1 18 26 discriminator 1 view .LVU3
> 	.loc 1 16 1 is_stmt 0 view .LVU4
> 	subq	$24, %rsp
> 	.cfi_undefined 15
> 	.cfi_undefined 14
> 	.cfi_undefined 13
> 	.cfi_undefined 12
> 	.cfi_undefined 6
> ...

I applied it, double checked, make distclean, configure, make again.

But your result seems different. Have you applied Jakub Jelinek's patch to save
%rbp? I applied both patches. Perhaps there was some subtle merge-conflict with
the two patches.