[Bug rtl-optimization/69377] [6 Regression] wrong code at -O2 on x86_64-linux-gnu (in 32-bit mode)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69377

--- Comment #9 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Note that this and the original testcase trigger
p.c: In function ‘foo’:
p.c:92:1: warning: control reaches end of non-void function
so I remember adding "return &a;" at the end of foo (it still triggers the
bug).