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-rw-r--r--clang/lib/AST/ItaniumCXXABI.cpp5
-rw-r--r--clang/test/CodeGenCXX/mangle-lambdas.cpp10
2 files changed, 13 insertions, 2 deletions
diff --git a/clang/lib/AST/ItaniumCXXABI.cpp b/clang/lib/AST/ItaniumCXXABI.cpp
index 482c3c5d338..091d5f031f8 100644
--- a/clang/lib/AST/ItaniumCXXABI.cpp
+++ b/clang/lib/AST/ItaniumCXXABI.cpp
@@ -63,9 +63,10 @@ public:
CallOperator->getType()->getAs<FunctionProtoType>();
ASTContext &Context = CallOperator->getASTContext();
+ FunctionProtoType::ExtProtoInfo EPI;
+ EPI.Variadic = Proto->isVariadic();
QualType Key =
- Context.getFunctionType(Context.VoidTy, Proto->getParamTypes(),
- FunctionProtoType::ExtProtoInfo());
+ Context.getFunctionType(Context.VoidTy, Proto->getParamTypes(), EPI);
Key = Context.getCanonicalType(Key);
return ++ManglingNumbers[Key->castAs<FunctionProtoType>()];
}
diff --git a/clang/test/CodeGenCXX/mangle-lambdas.cpp b/clang/test/CodeGenCXX/mangle-lambdas.cpp
index 051cfdc3a22..15987ebe46b 100644
--- a/clang/test/CodeGenCXX/mangle-lambdas.cpp
+++ b/clang/test/CodeGenCXX/mangle-lambdas.cpp
@@ -173,6 +173,16 @@ namespace PR12123 {
// CHECK-LABEL: define linkonce_odr dereferenceable({{[0-9]+}}) %"struct.PR12123::A"* @_ZZN7PR121231B1fERKSt9type_infoEd_NKUlvE_clEv
+// CHECK-LABEL: define {{.*}} @_Z{{[0-9]*}}testVarargsLambdaNumberingv(
+inline int testVarargsLambdaNumbering() {
+ // CHECK: testVarargsLambdaNumberingvE{{.*}}UlzE_
+ auto a = [](...) { static int n; return ++n; };
+ // CHECK: testVarargsLambdaNumberingvE{{.*}}UlvE_
+ auto b = []() { static int n; return ++n; };
+ return a() + b();
+}
+int k = testVarargsLambdaNumbering();
+
// Check linkage of the various lambdas.
// CHECK-LABEL: define linkonce_odr i32 @_ZZ11inline_funciENKUlvE_clEv
// CHECK: ret i32 1
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