rt_gccstream/gcc/testsuite/gcc.dg/pr37261.c

16 lines
536 B
C

/* PR c/37261 */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
unsigned
foo (int x)
{
unsigned a = ((x & 1) | 2) & 0x80000000; /* { dg-bogus "integer overflow in expression" } */
unsigned b = ((x & 2) | 2) & 0x80000000; /* { dg-bogus "integer overflow in expression" } */
unsigned c = ((x & 4) | 2) & 0x80000000; /* { dg-bogus "integer overflow in expression" } */
return a + b + c;
}
/* { dg-final { scan-tree-dump "return 0" "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */