1 files changed, 9 insertions, 0 deletions
diff --git a/core/SkPaint.cpp b/core/SkPaint.cpp
index 176992f4..88e5b432 100644
--- a/core/SkPaint.cpp
+++ b/core/SkPaint.cpp
@@ -107,6 +107,11 @@ SkPaint::SkPaint() {
 }
 
 SkPaint::SkPaint(const SkPaint& src) {
+    // Diagnoistic. May remove later. See crbug.com/364224
+    if (NULL == &src) {
+        sk_throw();
+    }
+
 #define COPY(field) field = src.field
 #define REF_COPY(field) field = SkSafeRef(src.field)
 
@@ -153,6 +158,10 @@ SkPaint::~SkPaint() {
 }
 
 SkPaint& SkPaint::operator=(const SkPaint& src) {
+    if (this == &src) {
+        return *this;
+    }
+
 #define COPY(field) field = src.field
 #define REF_COPY(field) SkSafeUnref(field); field = SkSafeRef(src.field)