Handle a captured this for the debug information as well.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164253 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 027c447131cc79d910308c59c60b4c99b345e08c..d3391b79af4f806d2c27fcf572f25f2b27bba45d 100644 (file)
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -809,6 +809,16 @@ CollectRecordFields(const RecordDecl *record, llvm::DIFile tunit,
                             Field->getAccess(), layout.getFieldOffset(fieldno),
                             VUnit, RecordTy);
         elements.push_back(fieldType);
+      } else {
+        assert(C.capturesThis() && "Field that isn't captured and isn't this?");
+        FieldDecl *f = *Field;
+        llvm::DIFile VUnit = getOrCreateFile(f->getLocation());
+        QualType type = f->getType();
+        llvm::DIType fieldType
+          = createFieldType("this", type, 0, f->getLocation(), f->getAccess(),
+                            layout.getFieldOffset(fieldNo), VUnit, RecordTy);
+
+        elements.push_back(fieldType);
       }
     }
   } else {

diff --git a/test/CodeGenCXX/debug-lambda-this.cpp b/test/CodeGenCXX/debug-lambda-this.cpp
new file mode 100644 (file)
index 0000000..7c37fbe
--- /dev/null
+++ b/test/CodeGenCXX/debug-lambda-this.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -g | FileCheck %s
+
+struct D {
+  D();
+  D(const D&);
+  int x;
+  int d(int x);
+};
+int D::d(int x) {
+  [=] {
+    return this->x;
+  }();
+}
+
+// CHECK: metadata !{i32 {{.*}}, metadata !"this", metadata !6, i32 11, i64 64, i64 64, i64 0, i32 1, metadata !37} ; [ DW_TAG_member ] [this] [line 11, size 64, align 64, offset 0] [private] [from ]