https://github.com/tbaederr updated https://github.com/llvm/llvm-project/pull/185370
>From 0ef172c1b8c84a13ede90889c0962829e57b35bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Timm=20B=C3=A4der?= <[email protected]> Date: Mon, 9 Mar 2026 09:03:03 +0100 Subject: [PATCH] [clang][bytecode] Check memberpointer exprs for errors --- clang/lib/AST/ByteCode/Compiler.cpp | 7 +++++++ clang/test/AST/ByteCode/memberpointers.cpp | 15 +++++++++++++-- 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp index 6d8b84a83a4ad..42d137f097760 100644 --- a/clang/lib/AST/ByteCode/Compiler.cpp +++ b/clang/lib/AST/ByteCode/Compiler.cpp @@ -269,6 +269,8 @@ bool Compiler<Emitter>::VisitCastExpr(const CastExpr *CE) { } case CK_DerivedToBaseMemberPointer: { + if (CE->containsErrors()) + return false; assert(classifyPrim(CE) == PT_MemberPtr); assert(classifyPrim(SubExpr) == PT_MemberPtr); @@ -291,6 +293,8 @@ bool Compiler<Emitter>::VisitCastExpr(const CastExpr *CE) { } case CK_BaseToDerivedMemberPointer: { + if (CE->containsErrors()) + return false; assert(classifyPrim(CE) == PT_MemberPtr); assert(classifyPrim(SubExpr) == PT_MemberPtr); @@ -1106,6 +1110,9 @@ bool Compiler<Emitter>::VisitBinaryOperator(const BinaryOperator *BO) { return this->VisitFixedPointBinOp(BO); if (BO->isPtrMemOp()) { + if (BO->containsErrors()) + return false; + if (!this->visit(LHS)) return false; diff --git a/clang/test/AST/ByteCode/memberpointers.cpp b/clang/test/AST/ByteCode/memberpointers.cpp index fb489a1961434..e2a154914c83b 100644 --- a/clang/test/AST/ByteCode/memberpointers.cpp +++ b/clang/test/AST/ByteCode/memberpointers.cpp @@ -1,7 +1,7 @@ // RUN: %clang_cc1 -std=c++14 -fexperimental-new-constant-interpreter -verify=expected,both %s // RUN: %clang_cc1 -std=c++23 -fexperimental-new-constant-interpreter -verify=expected,both %s -// RUN: %clang_cc1 -std=c++14 -verify=ref,both %s -// RUN: %clang_cc1 -std=c++23 -verify=ref,both %s +// RUN: %clang_cc1 -std=c++14 -verify=ref,both %s +// RUN: %clang_cc1 -std=c++23 -verify=ref,both %s namespace MemberPointers { struct A { @@ -303,3 +303,14 @@ namespace Equality { constexpr int (T<17>::*deepm) = (int(T<10>::*))&T<30>::m; static_assert(deepm == &T<50>::m, ""); } + +namespace Errors { +#if __cplusplus >= 202302L + constexpr bool test1() { + X s; // both-error {{unknown type name}} + s.*bar(); // both-error {{use of undeclared identifier}} + return true; + } + static_assert(test1(), ""); // both-error {{not an integral constant expression}} +#endif +} _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
