[Bug bootstrap/81470] [8 Regression] Bootstrap comparison failures in gcc/ada

hainque at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Nov 30 09:16:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81470

Olivier Hainque <hainque at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #42747|[patch] don't emit          |don't emit
        description|.cfi_personality/.cfi_lsda  |.cfi_personality/.cfi_lsda
                   |for !dwarf2 eh              |for !dwarf2 eh

--- Comment #11 from Olivier Hainque <hainque at gcc dot gnu.org> ---
Comment on attachment 42747
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42747
don't emit .cfi_personality/.cfi_lsda for !dwarf2 eh

>diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
>index 3d619b8..62b5c77 100644
>--- a/gcc/dwarf2out.c
>+++ b/gcc/dwarf2out.c
>@@ -958,10 +958,16 @@ dwarf2out_do_cfi_startproc (bool second)
> {
>   int enc;
>   rtx ref;
>-  rtx personality = get_personality_function (current_function_decl);
> 
>   fprintf (asm_out_file, "\t.cfi_startproc\n");
> 
>+  /* .cfi_personality and .cfi_lsda are only relevant to DWARF2
>+     eh unwinders.  */
>+  if (targetm_common.except_unwind_info (&global_options) != UI_DWARF2)
>+    return;
>+
>+  rtx personality = get_personality_function (current_function_decl);
>+
>   if (personality)
>     {
>       enc = ASM_PREFERRED_EH_DATA_FORMAT (/*code=*/2, /*global=*/1);


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