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authorDimitry Andric <dim@FreeBSD.org>2011-02-20 13:06:31 +0000
committerDimitry Andric <dim@FreeBSD.org>2011-02-20 13:06:31 +0000
commitbca07a4524feb4edec581062d631a13116320a24 (patch)
treea9243275843fbeaa590afc07ee888e006b8d54ea /test/CodeGen/enum.c
parent998bc5802ecdd65ce3b270f6c69a8ae8557f0a10 (diff)
Notes
Diffstat (limited to 'test/CodeGen/enum.c')
-rw-r--r--test/CodeGen/enum.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/CodeGen/enum.c b/test/CodeGen/enum.c
index 87b0e1e67144..0e239f1a8ee3 100644
--- a/test/CodeGen/enum.c
+++ b/test/CodeGen/enum.c
@@ -1,6 +1,9 @@
// RUN: %clang_cc1 -triple i386-unknown-unknown %s -O3 -emit-llvm -o - | grep 'ret i32 6'
// RUN: %clang_cc1 -triple i386-unknown-unknown -x c++ %s -O3 -emit-llvm -o - | grep 'ret i32 7'
+// This test case illustrates a peculiarity of the promotion of
+// enumeration types in C and C++. In particular, the enumeration type
+// "z" below promotes to an unsigned int in C but int in C++.
static enum { foo, bar = 1U } z;
int main (void)