[Bug rtl-optimization/91347] [7/8/9/10 Regression] pointer_string in linux vsprintf.c is miscompiled when sibling calls are optimized

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91347

--- Comment #15 from dave.anglin at bell dot net ---
On 2019-08-19 4:35 a.m., ebotcazou at gcc dot gnu.org wrote:
> OK, thanks.  Can you check that the testcase to be attached is a valid
> execution test for trunk when compiled with -O2 -fno-inline ?
Yes.  It aborts with current gcc-9.2.1 and passes with patched gcc-10. 
-fno-inline is
needed.