[clang] [DebugInfo] Ignore undefined constexpr constructors in constructor homing. (PR #218165)

[Clayton Knittel via cfe-commits]

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@@ -3239,18 +3239,36 @@ static bool canUseCtorHoming(const CXXRecordDecl *RD) {
   if (isClassOrMethodDLLImport(RD))
     return false;
 
-  if (RD->isLambda() || RD->isAggregate() ||
-      RD->hasTrivialDefaultConstructor() ||
-      RD->hasConstexprNonCopyMoveConstructor())
+  if (RD->isLambda() || RD->isAggregate() || RD->hasTrivialDefaultConstructor())
     return false;
 
+  // Skip this optimization if the class has a constexpr default constructor,
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ClaytonKnittel wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/218165