My clang now doesn't complain about !"foo".

src/images/SkImageDecoder.cpp

Index: src/images/SkImageDecoder.cpp
diff --git a/src/images/SkImageDecoder.cpp b/src/images/SkImageDecoder.cpp
index a671607ef36f811695fd8fbe4831749a294634d6..7c4c477e078c40fbb584da79590e775a30229775 100644
--- a/src/images/SkImageDecoder.cpp
+++ b/src/images/SkImageDecoder.cpp
@@ -94,7 +94,7 @@ const char* SkImageDecoder::GetFormatName(Format format) {
         case kWEBP_Format:
             return "WEBP";
         default:
-            SkASSERT(!"Invalid format type!");
+            SkDEBUGFAIL("Invalid format type!");
     }
     return "Unknown Format";
 }
@@ -433,7 +433,7 @@ bool SkImageDecoder::DecodeMemoryToTarget(const void* buffer, size_t size,
 
     if (target->fRowBytes != SkToU32(bm.rowBytes())) {
         if (target->fRowBytes < SkImageMinRowBytes(*info)) {
-            SkASSERT(!"Desired row bytes is too small");
+            SkDEBUGFAIL("Desired row bytes is too small");
             return false;
         }
         bm.setConfig(bm.config(), bm.width(), bm.height(), target->fRowBytes);