clang wrong code bug

[regehr]

Bugzilla Link	11340
Resolution	FIXED
Resolved on	Nov 08, 2011 15:08
Version	trunk
OS	Linux
CC	@efriedma-quic

Extended Description

[regehr@gamow tmp050]$ clang -O1 small.c ; ./a.out
0
[regehr@gamow tmp050]$ clang -O2 small.c ; ./a.out
1
[regehr@gamow tmp050]$ clang -v

clang version 3.1 (trunk 144028)
Target: x86_64-unknown-linux-gnu
Thread model: posix

[regehr@gamow tmp050]$ cat small.c

int printf (const char *, ...);

int func_4 (int si1)
{
return si1;
}

int func_25 (int ui2)
{
return 1 / ui2;
}

int g_9;

int g_190 = 1;

int main ()
{
if (func_25 (func_4 (g_9 <= 0))) g_190 = 0;
printf ("%d\n", g_190);
return 0;
}

[efriedma-quic]

r144121.