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[Bug tree-optimization/30840] [4.3 Regression] ice for legal code with flags -O3 -fno-strict-aliasing
- From: "reichelt at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Aug 2007 19:50:59 -0000
- Subject: [Bug tree-optimization/30840] [4.3 Regression] ice for legal code with flags -O3 -fno-strict-aliasing
- References: <bug-30840-9596@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from reichelt at gcc dot gnu dot org 2007-08-21 19:50 -------
Here's an even smaller testcase:
=============================
int *p;
inline int foo(int *q)
{
if (*q)
*q = 0;
return *q;
}
void bar(int *r, int i)
{
int *s;
while (--i)
*(s = r) = foo(p);
++(*s);
*s = foo(p);
}
==============================
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30840