Manual memset to work around bogus compiler warning bug.

tests/WritePixelsTest.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 "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkColorPriv.h"
@@ skipping 311 matching lines @@
             SkBitmap bmp;
             size_t rowBytes = c.fTightRowBytes ? 0 : 4 * DEV_W + 100;
             SkImageInfo info = SkImageInfo::MakeN32Premul(DEV_W, DEV_H);
             if (!allocRowBytes(&bmp, info, rowBytes)) {
                 sk_throw();
                 return NULL;
             }
             // if rowBytes isn't tight then set the padding to a known value
             if (rowBytes) {
                 SkAutoLockPixels alp(bmp);
-                memset(bmp.getPixels(), DEV_PAD, bmp.getSafeSize());
+                // We'd just use memset here but GCC 4.8.1 throws up a bogus warning when we do.
+                for (size_t i = 0; i < bmp.getSafeSize(); i++) {
+                    ((uint8_t*)bmp.getPixels())[i] = DEV_PAD;
+                }
             }
             return new SkBitmapDevice(bmp);
         }
 #if SK_SUPPORT_GPU
         case kGpu_BottomLeft_DevType:
         case kGpu_TopLeft_DevType:
             GrTextureDesc desc;
             desc.fFlags = kRenderTarget_GrTextureFlagBit;
             desc.fWidth = DEV_W;
             desc.fHeight = DEV_H;
@@ skipping 137 matching lines @@
                         SkIRect writeRect = SkIRect::MakeXYWH(rect.fLeft, rect.fTop,
                                                               bmp.width(), bmp.height());
                         bool intersects = SkIRect::Intersects(canvasRect, writeRect) ;
                         REPORTER_ASSERT(reporter, intersects == (idBefore != idAfter));
                     }
                 }
             }
         }
     }
 }