https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93697
Bug ID: 93697
Summary: pr93661.c does not warn on (32-bit) powerpc-linux
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: segher at gcc dot gnu.org
Target Milestone: ---
The new testcase pr93661.c does not warn.
int f ()
{
unsigned x = 0xffffffff;
__builtin_memset (1+(char *) &x, 0, -1); /* { dg-warning "maximum object
size" } */
return (x != 0xf0000000);
}
(-O2). It *does* warn at -O0.
