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// Verifies that speculative loads from unions do not happen under asan.
// RUN: %clangxx_asan -O0 %s -o %t && %run %t 2>&1
// RUN: %clangxx_asan -O1 %s -o %t && %run %t 2>&1
// RUN: %clangxx_asan -O2 %s -o %t && %run %t 2>&1
// RUN: %clangxx_asan -O3 %s -o %t && %run %t 2>&1
typedef union {
short q;
struct {
short x;
short y;
int for_alignment;
} w;
} U;
int main() {
char *buf = new char[2];
buf[0] = buf[1] = 0x0;
U *u = (U *)buf;
short result = u->q == 0 ? 0 : u->w.y;
delete[] buf;
return result;
}
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