Check that the default argument is well-formed before checking the initializer types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79964 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index ea113301aa7cf9c8de9724e809d05b75ebbcbcd4..80ecd2a8be43e058c2d9a37791950cd5e58a4b86 100644 (file)
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -124,6 +124,13 @@ Sema::ActOnParamDefaultArgument(DeclPtrTy param, SourceLocation EqualLoc,
     return;
   }
 
+  // Check that the default argument is well-formed
+  CheckDefaultArgumentVisitor DefaultArgChecker(DefaultArg.get(), this);
+  if (DefaultArgChecker.Visit(DefaultArg.get())) {
+    Param->setInvalidDecl();
+    return;
+  }
+  
   // C++ [dcl.fct.default]p5
   //   A default argument expression is implicitly converted (clause
   //   4) to the parameter type. The default argument expression has
@@ -143,13 +150,6 @@ Sema::ActOnParamDefaultArgument(DeclPtrTy param, SourceLocation EqualLoc,
     return;
   }
 
-  // Check that the default argument is well-formed
-  CheckDefaultArgumentVisitor DefaultArgChecker(DefaultArg.get(), this);
-  if (DefaultArgChecker.Visit(DefaultArg.get())) {
-    Param->setInvalidDecl();
-    return;
-  }
-
   DefaultArgPtr = MaybeCreateCXXExprWithTemporaries(DefaultArg.take(),
                                                     /*DestroyTemps=*/false);