Try to complete a type before looking for conversion functions within
that type. Note that we do not produce a diagnostic if the type is
incomplete; rather, we just don't look for conversion functions. Fixes PR4660.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 462999b..ea11330 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -2847,7 +2847,8 @@
// 92) (this conversion is selected by enumerating the
// applicable conversion functions (13.3.1.6) and choosing
// the best one through overload resolution (13.3)),
- if (!isRValRef && !SuppressUserConversions && T2->isRecordType()) {
+ if (!isRValRef && !SuppressUserConversions && T2->isRecordType() &&
+ !RequireCompleteType(SourceLocation(), T2, 0)) {
// FIXME: Look for conversions in base classes!
CXXRecordDecl *T2RecordDecl
= dyn_cast<CXXRecordDecl>(T2->getAs<RecordType>()->getDecl());