[Bug middle-end/46637] [4.6 Regression] SIGSEGV in if_then_else_cond - too deep recursion

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46637

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-24 
12:38:20 UTC ---
Reduced testcase, fails on x86_64-linux with -m32 and -O{2,s}
{,-fno-strict-aliasing}.  Looking into it...

struct S { unsigned s[5]; } *p;

void
foo (int x)
{
  int a = x == 1 ? 4 : 1;
  asm ("" : "+m" (p->s[a]));
  *(unsigned *) p += 1;
}