diff options
| -rw-r--r-- | clang/lib/AST/ItaniumMangle.cpp | 3 | ||||
| -rw-r--r-- | clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp index 2a2b491bcbd..66bccbe4584 100644 --- a/clang/lib/AST/ItaniumMangle.cpp +++ b/clang/lib/AST/ItaniumMangle.cpp @@ -1704,7 +1704,8 @@ void CXXNameMangler::mangleTemplateParamDecl(const NamedDecl *Decl) { QualType T = Tn->getType(); if (Tn->isParameterPack()) { Out << "Tp"; - T = T->castAs<PackExpansionType>()->getPattern(); + if (auto *PackExpansion = T->getAs<PackExpansionType>()) + T = PackExpansion->getPattern(); } Out << "Tn"; mangleType(T); diff --git a/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp b/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp index dba10fbf01d..45fdec30f98 100644 --- a/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp +++ b/clang/test/CodeGenCXX/mangle-lambda-explicit-template-params.cpp @@ -54,6 +54,12 @@ inline void collision() { } void use_collision() { collision(); } +namespace pack_not_pack_expansion { + template<typename T, int, T...> struct X; + // CHECK: @_ZNK23pack_not_pack_expansion1xMUlTyTtTyTnT_TpTnTL0__ETpTyvE_clIiNS_1XEJfEEEDav + inline auto x = []<typename T, template<typename U, T, U...> typename, typename ...V>(){}; void f() { x.operator()<int, X, float>(); } +} + template<typename> void f() { // CHECK: define linkonce_odr {{.*}} @_ZZ1fIiEvvENKUlT_E_clIiEEDaS0_( auto x = [](auto){}; |
