[Index] Respect "IndexFunctionLocals" option for type loc.

Summary:
Previously, clang index ignored local symbols defined in the function body even
IndexFunctionLocals is true.

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: ilya-biryukov, ioeric, arphaman, kadircet, cfe-commits

Differential Revision: https://reviews.llvm.org/D52877

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@343767 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Index/IndexTypeSourceInfo.cpp

@@ -100,7 +100,8 @@ class TypeIndexer : public RecursiveASTVisitor<TypeIndexer> {
 
   bool VisitTagTypeLoc(TagTypeLoc TL) {
     TagDecl *D = TL.getDecl();
-    if (D->getParentFunctionOrMethod())
+    if (!IndexCtx.shouldIndexFunctionLocalSymbols() &&
+        D->getParentFunctionOrMethod())
       return true;
 
     if (TL.isDefinition()) {

test/Index/index-local-symbol.cpp

@@ -0,0 +1,6 @@
+void ff() {
+  struct Foo {};
+}
+
+// RUN: env CINDEXTEST_INDEXLOCALSYMBOLS=1 c-index-test -index-file %s | FileCheck %s
+// CHECK: [indexDeclaration]: kind: struct | name: Foo | {{.*}} | loc: 2:10