Don't analyze comparisons in type- or value-dependent

subexpressions. Fixes PR10291.

llvm-svn: 141552

1 files changed, 23 insertions, 1 deletions

diff --git a/clang/test/SemaCXX/warn-unused-comparison.cpp b/clang/test/SemaCXX/warn-unused-comparison.cpp
index c193462e15c..0153f213ba1 100644
--- a/clang/test/SemaCXX/warn-unused-comparison.cpp
+++ b/clang/test/SemaCXX/warn-unused-comparison.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unused -Wunused-comparison %s
+// RUN: %clang_cc1 -fsyntax-only -fcxx-exceptions -verify -Wno-unused -Wunused-comparison %s
 
 struct A {
   bool operator==(const A&);
@@ -70,3 +70,25 @@ void test() {
   EQ(x, 5);
 #undef EQ
 }
+
+namespace PR10291 {
+  template<typename T>
+  class X
+  {
+  public:
+
+    X() : i(0) { } 
+
+    void foo()
+    {   
+      throw 
+        i == 0u ?
+        5 : 6;
+    }   
+
+  private:
+    int i;
+  };
+
+  X<int> x;
+}