Author: Kadir Cetinkaya Date: 2022-08-31T10:09:24+02:00 New Revision: a5ab650714d05c2e49ec158dc99156118a893027
URL: https://github.com/llvm/llvm-project/commit/a5ab650714d05c2e49ec158dc99156118a893027 DIFF: https://github.com/llvm/llvm-project/commit/a5ab650714d05c2e49ec158dc99156118a893027.diff LOG: [clang] Fix a crash in constant evaluation This was showing up in our internal crash collector. I have no idea how to test it out though, open for suggestions if there are easy paths but otherwise I'd move forward with the patch. Differential Revision: https://reviews.llvm.org/D132918 Added: Modified: clang/lib/AST/ExprConstant.cpp Removed: ################################################################################ diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp index 3df0e4292b6ca..2b1a30f8354fb 100644 --- a/clang/lib/AST/ExprConstant.cpp +++ b/clang/lib/AST/ExprConstant.cpp @@ -4794,6 +4794,11 @@ static bool getDefaultInitValue(QualType T, APValue &Result) { Result = APValue((const FieldDecl *)nullptr); return true; } + // Can't access properties of an incomplete type. + if (!RD->hasDefinition()) { + Result = APValue(); + return false; + } Result = APValue(APValue::UninitStruct(), RD->getNumBases(), std::distance(RD->field_begin(), RD->field_end())); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
