Index: clang/lib/Sema/SemaLambda.cpp
===================================================================
--- clang/lib/Sema/SemaLambda.cpp
+++ clang/lib/Sema/SemaLambda.cpp
@@ -1392,13 +1392,14 @@
   Class->addDecl(Conversion);
 }
 
-static ExprResult performLambdaVarCaptureInitialization(Sema &S,
-                                                        const Capture &Capture,
-                                                        FieldDecl *Field) {
+static ExprResult performLambdaVarCaptureInitialization(
+    Sema &S, const Capture &Capture, FieldDecl *Field,
+    SourceLocation ImplicitCaptureLoc, bool IsImplicitCapture) {
   assert(Capture.isVariableCapture() && "not a variable capture");
 
   auto *Var = Capture.getVariable();
-  SourceLocation Loc = Capture.getLocation();
+  SourceLocation Loc =
+      IsImplicitCapture ? ImplicitCaptureLoc : Capture.getLocation();
 
   // C++11 [expr.prim.lambda]p21:
   //   When the lambda-expression is evaluated, the entities that
@@ -1607,8 +1608,8 @@
                                        Var, From.getEllipsisLoc()));
       Expr *Init = From.getInitExpr();
       if (!Init) {
-        auto InitResult =
-            performLambdaVarCaptureInitialization(*this, From, *CurField);
+        auto InitResult = performLambdaVarCaptureInitialization(
+            *this, From, *CurField, CaptureDefaultLoc, IsImplicit);
         if (InitResult.isInvalid())
           return ExprError();
         Init = InitResult.get();
Index: clang/test/CXX/expr/expr.prim/expr.prim.lambda/p14.cpp
===================================================================
--- clang/test/CXX/expr/expr.prim/expr.prim.lambda/p14.cpp
+++ clang/test/CXX/expr/expr.prim/expr.prim.lambda/p14.cpp
@@ -15,8 +15,8 @@
 
 void capture_by_copy(NonCopyable nc, NonCopyable &ncr, const NonConstCopy nco) {
   (void)[nc] { }; // expected-error{{capture of variable 'nc' as type 'NonCopyable' calls private copy constructor}}
-  (void)[=] {
-    ncr.foo(); // expected-error{{capture of variable 'ncr' as type 'NonCopyable' calls private copy constructor}} 
+  (void)[=] { // expected-error{{capture of variable 'ncr' as type 'NonCopyable' calls private copy constructor}}
+    ncr.foo();
   }();
 
   [nco] {}(); // expected-error{{no matching constructor for initialization of 'const NonConstCopy'}}
Index: clang/test/CXX/expr/expr.prim/expr.prim.lambda/templates.cpp
===================================================================
--- clang/test/CXX/expr/expr.prim/expr.prim.lambda/templates.cpp
+++ clang/test/CXX/expr/expr.prim/expr.prim.lambda/templates.cpp
@@ -88,8 +88,8 @@
   template<typename R, typename T>
   void odr_used2(R &r, Boom<T> boom) {
     const std::type_info &ti
-      = typeid([=,&r] () -> R& {
-          boom.tickle(); // expected-note{{in instantiation of member function}}
+      = typeid([=,&r] () -> R& { // expected-note{{in instantiation of member function 'p2::Boom<float>::Boom' requested here}}
+          boom.tickle();
           return r; 
         }()); 
   }
Index: clang/test/CodeGenCXX/debug-info-lambda.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGenCXX/debug-info-lambda.cpp
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm \
+// RUN:   -debug-info-kind=line-tables-only -dwarf-column-info -std=c++11 %s -o - | FileCheck %s
+
+// CHECK-LABEL: define{{.*}}lambda_in_func
+void lambda_in_func(int &ref) {
+  // CHECK: [[ref_slot:%.*]] = getelementptr inbounds %class.anon, %class.anon* {{.*}}, i32 0, i32 0, !dbg [[lambda_decl_loc:![0-9]+]]
+  // CHECK-NEXT: %1 = load i32*, i32** %ref.addr, align 8, !dbg [[capture_init_loc:![0-9]+]]
+  // CHECK-NEXT: store i32* %1, i32** %0, align 8, !dbg [[lambda_decl_loc]]
+  // CHECK-NEXT: call void {{.*}}, !dbg [[lambda_call_loc:![0-9]+]]
+
+  auto helper = [       // CHECK: [[lambda_decl_loc]] = !DILocation(line: [[@LINE]], column: 17
+                 &]() { // CHECK: [[capture_init_loc]] = !DILocation(line: [[@LINE]], column: 18
+    ++ref;
+  };
+  helper();             // CHECK: [[lambda_call_loc]] = !DILocation(line: [[@LINE]]
+}
Index: clang/test/SemaCXX/uninitialized.cpp
===================================================================
--- clang/test/SemaCXX/uninitialized.cpp
+++ clang/test/SemaCXX/uninitialized.cpp
@@ -884,8 +884,10 @@
     int x;
   };
   A a0([] { return a0.x; }); // ok
-  void f() { 
-    A a1([=] { return a1.x; }); // expected-warning{{variable 'a1' is uninitialized when used within its own initialization}}
+  void f() {
+    A a1([=] { // expected-warning{{variable 'a1' is uninitialized when used within its own initialization}}
+      return a1.x;
+    });
     A a2([&] { return a2.x; }); // ok
   }
 }
Index: clang/unittests/Tooling/RecursiveASTVisitorTests/DeclRefExpr.cpp
===================================================================
--- clang/unittests/Tooling/RecursiveASTVisitorTests/DeclRefExpr.cpp
+++ clang/unittests/Tooling/RecursiveASTVisitorTests/DeclRefExpr.cpp
@@ -75,11 +75,11 @@
 TEST(RecursiveASTVisitor, VisitsImplicitLambdaCaptureInit) {
   DeclRefExprVisitor Visitor;
   Visitor.setShouldVisitImplicitCode(true);
-  // We're expecting the "i" in the lambda to be visited twice:
-  // - Once for the DeclRefExpr in the lambda capture initialization (whose
-  //   source code location is set to the first use of the variable).
-  // - Once for the DeclRefExpr for the use of "i" inside the lambda.
-  Visitor.ExpectMatch("i", 1, 24, /*Times=*/2);
+  // We're expecting "i" to be visited twice: once for the initialization expr
+  // for the captured variable "i" outside of the lambda body, and again for
+  // the use of "i" inside the lambda.
+  Visitor.ExpectMatch("i", 1, 20, /*Times=*/1);
+  Visitor.ExpectMatch("i", 1, 24, /*Times=*/1);
   EXPECT_TRUE(Visitor.runOver(
     "void f() { int i; [=]{ i; }; }",
     DeclRefExprVisitor::Lang_CXX11));