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-rw-r--r--clang/lib/AST/StmtProfile.cpp7
-rw-r--r--clang/test/Modules/odr_hash.cpp15
2 files changed, 20 insertions, 2 deletions
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 00ef0da18bb..08261205ef0 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -966,8 +966,11 @@ void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
if (!Canonical)
VisitNestedNameSpecifier(S->getQualifier());
VisitDecl(S->getDecl());
- if (!Canonical)
- VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
+ if (!Canonical) {
+ ID.AddBoolean(S->hasExplicitTemplateArgs());
+ if (S->hasExplicitTemplateArgs())
+ VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
+ }
}
void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
diff --git a/clang/test/Modules/odr_hash.cpp b/clang/test/Modules/odr_hash.cpp
index 054e41a9eae..5991dd0a733 100644
--- a/clang/test/Modules/odr_hash.cpp
+++ b/clang/test/Modules/odr_hash.cpp
@@ -2924,6 +2924,21 @@ int I10 = F10();
// expected-note@first.h:* {{but in 'FirstModule' found a different body}}
} // namespace FunctionDecl
+namespace DeclTemplateArguments {
+#if defined(FIRST)
+int foo() { return 1; }
+int bar() { return foo(); }
+#elif defined(SECOND)
+template <class T = int>
+int foo() { return 2; }
+int bar() { return foo<>(); }
+#else
+int num = bar();
+// expected-error@second.h:* {{'DeclTemplateArguments::bar' has different definitions in different modules; definition in module 'SecondModule' first difference is function body}}
+// expected-note@first.h:* {{but in 'FirstModule' found a different body}}
+#endif
+}
+
// Keep macros contained to one file.
#ifdef FIRST
#undef FIRST
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