Avoid lambdas in default member initializers to work around clang bug

On Windows, Clang is mangling lambdas in default member initializers
incorrectly. See PR31197.

This is causing redness on the self-host bots. Work around the problem
locally so we aren't blind to further issues.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@288089 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/unittests/Tooling/LookupTest.cpp b/unittests/Tooling/LookupTest.cpp
index 632acbe4ba4c2fbc11c1d8e98e681fb2b97c5fd7..cc3922d01b51c59306b5274a1a760a600d5dd089 100644 (file)
--- a/unittests/Tooling/LookupTest.cpp
+++ b/unittests/Tooling/LookupTest.cpp
@@ -13,18 +13,19 @@ using namespace clang;
 
 namespace {
 struct GetDeclsVisitor : TestVisitor<GetDeclsVisitor> {
-  std::function<void(CallExpr *)> OnCall = [&](CallExpr *Expr) {};
-  std::function<void(RecordTypeLoc)> OnRecordTypeLoc = [&](RecordTypeLoc Type) {
-  };
+  std::function<void(CallExpr *)> OnCall;
+  std::function<void(RecordTypeLoc)> OnRecordTypeLoc;
   SmallVector<Decl *, 4> DeclStack;
 
   bool VisitCallExpr(CallExpr *Expr) {
-    OnCall(Expr);
+    if (OnCall)
+      OnCall(Expr);
     return true;
   }
 
   bool VisitRecordTypeLoc(RecordTypeLoc Loc) {
-    OnRecordTypeLoc(Loc);
+    if (OnRecordTypeLoc)
+      OnRecordTypeLoc(Loc);
     return true;
   }