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-rw-r--r--clang/test/Modules/odr_hash.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/Modules/odr_hash.cpp b/clang/test/Modules/odr_hash.cpp
index b38a0f8f45c..36f2e4bea00 100644
--- a/clang/test/Modules/odr_hash.cpp
+++ b/clang/test/Modules/odr_hash.cpp
@@ -1018,6 +1018,39 @@ S1 s1;
// expected-error@first.h:* {{'TemplateArgument::S1::x' from module 'FirstModule' is not present in definition of 'TemplateArgument::S1' in module 'SecondModule'}}
// expected-note@second.h:* {{declaration of 'x' does not match}}
#endif
+
+#if defined(FIRST)
+template <int> struct U2{};
+struct S2 {
+ using T = U2<2>;
+};
+#elif defined(SECOND)
+template <int> struct U2{};
+struct S2 {
+ using T = U2<(2)>;
+};
+#else
+S2 s2;
+// expected-error@second.h:* {{'TemplateArgument::S2' has different definitions in different modules; first difference is definition in module 'SecondModule' found type alias 'T' with underlying type 'U2<(2)>'}}
+// expected-note@first.h:* {{but in 'FirstModule' found type alias 'T' with different underlying type 'U2<2>'}}
+#endif
+
+#if defined(FIRST)
+template <int> struct U3{};
+struct S3 {
+ using T = U3<2>;
+};
+#elif defined(SECOND)
+template <int> struct U3{};
+struct S3 {
+ using T = U3<1 + 1>;
+};
+#else
+S3 s3;
+// expected-error@second.h:* {{'TemplateArgument::S3' has different definitions in different modules; first difference is definition in module 'SecondModule' found type alias 'T' with underlying type 'U3<1 + 1>'}}
+// expected-note@first.h:* {{but in 'FirstModule' found type alias 'T' with different underlying type 'U3<2>'}}
+#endif
+
}
// Interesting cases that should not cause errors. struct S should not error
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