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

src/gpu/gl/GrGLProgram.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgram.h"
 
 #include "GrAllocator.h"
@@ skipping 346 matching lines @@
         SkAutoMalloc log(sizeof(char)*(infoLen+1)); // outside if for debugger
         if (infoLen > 0) {
             // retrieve length even though we don't need it to workaround bug in chrome cmd buffer
             // param validation.
             GrGLsizei length = GR_GL_INIT_ZERO;
             GR_GL_CALL(gli, GetShaderInfoLog(shader, infoLen+1,
                                              &length, (char*)log.get()));
             print_shader(stringCnt, strings, stringLengths);
             GrPrintf("\n%s", log.get());
         }
-        SkASSERT(!"Shader compilation failed!");
+        SkDEBUGFAIL("Shader compilation failed!");
         GR_GL_CALL(gli, DeleteShader(shader));
         return 0;
     }
     return shader;
 }
 
 // helper version of above for when shader is already flattened into a single SkString
 GrGLuint compile_shader(const GrGLContext& gl, GrGLenum type, const SkString& shader) {
     const GrGLchar* str = shader.c_str();
     int length = shader.size();
@@ skipping 357 matching lines @@
         if (infoLen > 0) {
             // retrieve length even though we don't need it to workaround
             // bug in chrome cmd buffer param validation.
             GrGLsizei length = GR_GL_INIT_ZERO;
             GL_CALL(GetProgramInfoLog(fProgramID,
                                       infoLen+1,
                                       &length,
                                       (char*)log.get()));
             GrPrintf((char*)log.get());
         }
-        SkASSERT(!"Error linking program");
+        SkDEBUGFAIL("Error linking program");
         GL_CALL(DeleteProgram(fProgramID));
         fProgramID = 0;
         return false;
     }
     return true;
 }
 
 void GrGLProgram::initSamplerUniforms() {
     GL_CALL(UseProgram(fProgramID));
     GrGLint texUnitIdx = 0;
@@ skipping 236 matching lines @@
             SkScalarToFloat(m[SkMatrix::kMTransX]),
             SkScalarToFloat(m[SkMatrix::kMTransY]),
             SkScalarToFloat(m[SkMatrix::kMPersp2])
         };
         fUniformManager.setMatrix3f(fUniformHandles.fViewMatrixUni, mt);
         fMatrixState.fViewMatrix = drawState.getViewMatrix();
         fMatrixState.fRenderTargetSize = size;
         fMatrixState.fRenderTargetOrigin = rt->origin();
     }
 }