http://llvm.org/bugs/show_bug.cgi?id=8854
Summary: likely wrong code bug
Product: new-bugs
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
[reg...@gamow ~]$ clang -O0 small.c -o small
[reg...@gamow ~]$ ./small
p_6 = 1
[reg...@gamow ~]$ clang -O1 small.c -o small
[reg...@gamow ~]$ ./small
p_6 = 0
[reg...@gamow ~]$ clang -v
clang version 2.9 (trunk 122551)
Target: x86_64-unknown-linux-gnu
Thread model: posix
[reg...@gamow ~]$ cat small.c
int g_403 = 1;
int g_462 = 0;
int printf(const char *format, ...);
int func_18(int p_22)
{
return g_403;
}
unsigned short foo(unsigned short u1, unsigned short u2)
{
return u1 * u2;
}
int func_3(unsigned char p_6)
{
int *l_708[2];
int i;
for (i = 0; i < 2; i++)
{
l_708[i] = &g_462;
}
for (i = 0; i < 1; i++)
{
if (func_18(p_6) >= foo(1, p_6))
{
printf("p_6 = %d\n", p_6);
return p_6;
}
if (l_708[0] == &g_462)
{
return 99;
}
}
return 99;
}
int main(int argc, char* argv[])
{
func_3(1);
return 0;
}
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