Author: Richard Smith Date: 2020-06-10T11:46:25+02:00 New Revision: d942a81c71a3f970857e92e98cc6503b61b589b0
URL: https://github.com/llvm/llvm-project/commit/d942a81c71a3f970857e92e98cc6503b61b589b0 DIFF: https://github.com/llvm/llvm-project/commit/d942a81c71a3f970857e92e98cc6503b61b589b0.diff LOG: PR45063: Fix crash on invalid processing an elaborated class template-id with an invalid scope specifier. (cherry picked from commit 44c3a63c74dddeef17e424ec76bd90c8582d8a3c) Added: Modified: clang/lib/Sema/SemaTemplate.cpp clang/test/Parser/cxx-template-decl.cpp Removed: ################################################################################ diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index c38c724ed9b0..943e8f422a70 100755 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -3817,6 +3817,9 @@ TypeResult Sema::ActOnTagTemplateIdType(TagUseKind TUK, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgsIn, SourceLocation RAngleLoc) { + if (SS.isInvalid()) + return TypeResult(true); + TemplateName Template = TemplateD.get(); // Translate the parser's template argument list in our AST format. diff --git a/clang/test/Parser/cxx-template-decl.cpp b/clang/test/Parser/cxx-template-decl.cpp index cb8a93fdecb1..3d7a3dc14f4c 100644 --- a/clang/test/Parser/cxx-template-decl.cpp +++ b/clang/test/Parser/cxx-template-decl.cpp @@ -269,3 +269,7 @@ namespace AnnotateAfterInvalidTemplateId { void f() { A<0, 0>::f(); } // expected-error {{ambiguous partial specializations}} } + +namespace PR45063 { + template<class=class a::template b<>> struct X {}; // expected-error {{undeclared identifier 'a'}} +} _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
