From 739908faf62f3b076bd9714c65f84a350246d600 Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Thu, 11 Feb 2010 18:52:49 +0000
Subject: [PATCH] Test case for warnings with carets inside macro
 instantiations.

llvm-svn: 95893
---
 clang/test/Sema/conversion.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/clang/test/Sema/conversion.c b/clang/test/Sema/conversion.c
index 5f20c47ba4c9..7441a09c064e 100644
--- a/clang/test/Sema/conversion.c
+++ b/clang/test/Sema/conversion.c
@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -fsyntax-only -verify -Wconversion -triple x86_64-apple-darwin %s -Wno-unreachable-code
 
+#include <limits.h>
+
 #define BIG 0x7f7f7f7f7f7f7f7fL
 
 void test0(char c, short s, int i, long l, long long ll) {
@@ -271,3 +273,9 @@ unsigned char test19(unsigned long u64) {
   unsigned char x3 = u64 & mask;
   return x1 + x2 + x3;
 }
+
+// <rdar://problem/7631400>
+void test_7631400(void) {
+  // This should show up despite the caret being inside a macro substitution
+  char s = LONG_MAX; // expected-warning {{implicit cast loses integer precision: 'long' to 'char'}}
+}