1 // RUN: %clang_cc1 -triple i386-unknown-unknown %s -O3 -emit-llvm -o - | grep 'ret i32 6' 2 // RUN: %clang_cc1 -triple i386-unknown-unknown -x c++ %s -O3 -emit-llvm -o - | grep 'ret i32 7' 3 4 // This test case illustrates a peculiarity of the promotion of 5 // enumeration types in C and C++. In particular, the enumeration type 6 // "z" below promotes to an unsigned int in C but int in C++. 7 static enum { foo, bar = 1U } z; 8 main(void)9 int main (void) 10 { 11 int r = 0; 12 13 if (bar - 2 < 0) 14 r += 4; 15 if (foo - 1 < 0) 16 r += 2; 17 if (z - 1 < 0) 18 r++; 19 20 return r; 21 } 22 23