// RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null /* In this testcase, the return value of foo() is being promotedto a register * which breaks stuff */ #include <stdio.h> union X { char X; void *B; int a, b, c, d;}; union X foo() { union X Global; Global.B = (void*)123; /* Interesting part */ return Global; } int main() { union X test = foo(); printf("0x%p", test.B); }