[Bug debug/66432] [4.9/5/6 Regression] libgomp.c/appendix-a/a.29.1.c -O2 -g: type mismatch between an SSA_NAME and its symbol

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66432

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 36785
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36785&action=edit
gcc6-pr66432.patch

Untested fix.  We actually rely on decl_debug_args being the DECL_ORIGIN, not
something similar to it, so your second patch will not work.