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