https://github.com/Serosh-commits updated https://github.com/llvm/llvm-project/pull/187370
>From fc94d3d2928711d1ed47de8b6390b7eaa0ad1d36 Mon Sep 17 00:00:00 2001 From: Serosh-commits <[email protected]> Date: Thu, 19 Mar 2026 00:57:24 +0530 Subject: [PATCH 1/2] test update --- clang/docs/ReleaseNotes.rst | 2 ++ clang/lib/Parse/ParseExprCXX.cpp | 4 ++-- clang/test/Parser/gh186582.cpp | 6 ++++++ 3 files changed, 10 insertions(+), 2 deletions(-) create mode 100644 clang/test/Parser/gh186582.cpp diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 613d87668be18..a493fc8667d93 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -327,6 +327,8 @@ SystemZ Support - Add support for `#pragma export` for z/OS. This is a pragma used to export functions and variables with external linkage from shared libraries. It provides compatibility with the IBM XL C/C++ compiler. +- Fixed an assertion failure in the preprocessor when encountering ``::template operator`` during tentative parsing. (#GH186582) + DWARF Support in Clang ---------------------- diff --git a/clang/lib/Parse/ParseExprCXX.cpp b/clang/lib/Parse/ParseExprCXX.cpp index 842b52375eb14..b50b5c383b961 100644 --- a/clang/lib/Parse/ParseExprCXX.cpp +++ b/clang/lib/Parse/ParseExprCXX.cpp @@ -286,7 +286,7 @@ bool Parser::ParseOptionalCXXScopeSpecifier( // we already annotated the template-id. if (ParseUnqualifiedIdOperator(SS, EnteringContext, ObjectType, TemplateName)) { - TPA.Commit(); + TPA.Revert(); break; } @@ -295,7 +295,7 @@ bool Parser::ParseOptionalCXXScopeSpecifier( Diag(TemplateName.getSourceRange().getBegin(), diag::err_id_after_template_in_nested_name_spec) << TemplateName.getSourceRange(); - TPA.Commit(); + TPA.Revert(); break; } } else { diff --git a/clang/test/Parser/gh186582.cpp b/clang/test/Parser/gh186582.cpp new file mode 100644 index 0000000000000..2c5d7cc0e1c6b --- /dev/null +++ b/clang/test/Parser/gh186582.cpp @@ -0,0 +1,6 @@ +// RUN: %clang_cc1 -fsyntax-only -std=c++23 -verify %s + +a( ::template operator // expected-error {{a type specifier is required for all declarations}} \ + // expected-error {{expected ';' after top level declarator}} +// expected-error@* {{expected a type}} +// expected-error@* {{expected unqualified-id}} >From aab034b98df5c3ba2c7d579ac51e7a4ec604a136 Mon Sep 17 00:00:00 2001 From: Serosh-commits <[email protected]> Date: Fri, 20 Mar 2026 03:33:32 +0530 Subject: [PATCH 2/2] ci fix --- clang/test/Parser/gh186582.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/clang/test/Parser/gh186582.cpp b/clang/test/Parser/gh186582.cpp index 2c5d7cc0e1c6b..597545fe7be55 100644 --- a/clang/test/Parser/gh186582.cpp +++ b/clang/test/Parser/gh186582.cpp @@ -1,6 +1,6 @@ // RUN: %clang_cc1 -fsyntax-only -std=c++23 -verify %s -a( ::template operator // expected-error {{a type specifier is required for all declarations}} \ - // expected-error {{expected ';' after top level declarator}} -// expected-error@* {{expected a type}} -// expected-error@* {{expected unqualified-id}} +a( ::template operator; +// expected-error@3 {{expected a type}} +// expected-error@3 {{a type specifier is required for all declarations}} +// expected-error@3 {{expected unqualified-id}} _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
