[PATCH] D142384: [C++20] Fix a crash with modules.

[Utkarsh Saxena via Phabricator via cfe-commits]

usaxena95 created this revision.
Herald added a project: All.
usaxena95 requested review of this revision.
Herald added a project: clang.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142384

Files:
  clang/lib/AST/ExprConstant.cpp


Index: clang/lib/AST/ExprConstant.cpp
===================================================================
--- clang/lib/AST/ExprConstant.cpp
+++ clang/lib/AST/ExprConstant.cpp
@@ -6229,6 +6229,8 @@
     return false;
 
   const CXXRecordDecl *RD = Definition->getParent();
+  if (RD->field_empty())
+    RD = RD->getMostRecentDecl();
   if (RD->getNumVBases()) {
     Info.FFDiag(CallLoc, diag::note_constexpr_virtual_base) << RD;
     return false;


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