[PCH] The diagnostic state points can refer to previously created
diagnostic states; make sure the ASTReader sets the diagnostic state
properly instead of always recreating it.
Fixes rdar://12581618 & http://llvm.org/PR14181
llvm-svn: 166987
diff --git a/clang/test/PCH/pragma-diag-section.cpp b/clang/test/PCH/pragma-diag-section.cpp
index 103b252..627156f 100644
--- a/clang/test/PCH/pragma-diag-section.cpp
+++ b/clang/test/PCH/pragma-diag-section.cpp
@@ -5,15 +5,13 @@
// RUN: %clang_cc1 %s -emit-pch -o %t
// RUN: %clang_cc1 %s -include-pch %t -verify -fsyntax-only
-// expected-no-diagnostics
-
#ifndef HEADER
#define HEADER
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wtautological-compare"
template <typename T>
-struct TS {
+struct TS1 {
void m() {
T a = 0;
T b = a==a;
@@ -23,9 +21,22 @@
#else
+
+template <typename T>
+struct TS2 {
+ void m() {
+ T a = 0;
+ T b = a==a; // expected-warning {{self-comparison always evaluates to true}} expected-note@39 {{in instantiation of member function}}
+ }
+};
+
void f() {
- TS<int> ts;
- ts.m();
+ TS1<int> ts1;
+ ts1.m();
+
+
+ TS2<int> ts2;
+ ts2.m();
}
#endif