https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/93266
>From 5b592204ddef177d612f8455f4e14ab9cf9c06bd Mon Sep 17 00:00:00 2001 From: Matheus Izvekov <mizve...@gmail.com> Date: Thu, 23 May 2024 23:57:01 -0300 Subject: [PATCH] [clang] add fallback to expr in the template differ when comparing ValueDecl --- clang/docs/ReleaseNotes.rst | 1 + clang/lib/AST/ASTDiagnostic.cpp | 5 +++++ clang/test/Misc/diag-template-diffing-cxx26.cpp | 4 ++-- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index f612a1fd36859..fd7f3ee13d9ac 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -803,6 +803,7 @@ Miscellaneous Bug Fixes - Fixed an infinite recursion in ASTImporter, on return type declared inside body of C++11 lambda without trailing return (#GH68775). - Fixed declaration name source location of instantiated function definitions (GH71161). +- Improve diagnostic output to print an expression instead of 'no argument` when comparing Values as template arguments. Miscellaneous Clang Crashes Fixed ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/clang/lib/AST/ASTDiagnostic.cpp b/clang/lib/AST/ASTDiagnostic.cpp index 5c7afaaf2ca8f..0680ff5e3a385 100644 --- a/clang/lib/AST/ASTDiagnostic.cpp +++ b/clang/lib/AST/ASTDiagnostic.cpp @@ -1936,6 +1936,11 @@ class TemplateDiff { return; } + if (E) { + PrintExpr(E); + return; + } + OS << "(no argument)"; } diff --git a/clang/test/Misc/diag-template-diffing-cxx26.cpp b/clang/test/Misc/diag-template-diffing-cxx26.cpp index cc174d6c334fb..2b6dd86a9885d 100644 --- a/clang/test/Misc/diag-template-diffing-cxx26.cpp +++ b/clang/test/Misc/diag-template-diffing-cxx26.cpp @@ -19,10 +19,10 @@ namespace GH93068 { // expected-note@#A {{no known conversion from 'A<0>' to 'const A<&n[1]> &' for 1st argument}} // expected-note@#A {{no known conversion from 'A<0>' to 'A<&n[1]> &&' for 1st argument}} - // notree-error@#2 {{no viable conversion from 'A<n>' to 'A<(no argument)>'}} + // notree-error@#2 {{no viable conversion from 'A<n>' to 'A<n + 1>'}} /* tree-error@#2 {{no viable conversion A< - [n != (no argument)]>}}*/ + [n != n + 1]>}}*/ A<n + 1> v2 = A<n>(); // #2 // expected-note@#A {{no known conversion from 'A<n>' to 'const A<&n[1]> &' for 1st argument}} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits