Disable embedded bitmap test on iOS.

gm/typeface.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "Resources.h"
 #include "SkCanvas.h"
@@ skipping 176 matching lines @@
 
         // The hintgasp.ttf is designed for the following sizes to be different.
         // GASP_DOGRAY                                      0x0002   0<=ppem<=10
         // GASP_SYMMETRIC_SMOOTHING                         0x0008   0<=ppem<=10
         // GASP_GRIDFIT                                     0x0001  11<=ppem<=12
         // GASP_SYMMETRIC_GRIDFIT                           0x0004  11<=ppem<=12
         // GASP_DOGRAY|GASP_GRIDFIT                         0x0003  13<=ppem<=14
         // GASP_SYMMETRIC_SMOOTHING|GASP_SYMMETRIC_GRIDFIT  0x000C  13<=ppem<=14
         // (neither)                                        0x0000  15<=ppem
         // Odd sizes have embedded bitmaps.
+#ifdef SK_BUILD_FOR_IOS
+        // This gm crashes on iOS when drawing an embedded bitmap when requesting aliased rendering.
+        // The crash looks like
+        //   libTrueTypeScaler.dylib`<redacted> + 80
+        //   stop reason = EXC_BAD_ACCESS (code=EXC_ARM_DA_ALIGN, address=...)
+        //   ->  0x330b19d0 <+80>: strd   r2, r3, [r5, #36]
+        //       0x330b19d4 <+84>: movs   r3, #0x0
+        //       0x330b19d6 <+86>: add    r2, sp, #0x28
+        //       0x330b19d8 <+88>: ldr    r0, [r4, #0x4]
+        // Disable testing embedded bitmaps on iOS for now.
+        // See https://bug.skia.org/5530 .
+        constexpr SkScalar textSizes[] = { 10, 12, 14, 16 };
+#else
         constexpr SkScalar textSizes[] = { 9, 10, 11, 12, 13, 14, 15, 16 };
+#endif
 
         constexpr SkPaint::Hinting hintingTypes[] = { SkPaint::kNo_Hinting,
                                                       SkPaint::kSlight_Hinting,
                                                       SkPaint::kNormal_Hinting,
                                                       SkPaint::kFull_Hinting };
 
         struct SubpixelType {
             bool requested;
             SkVector offset;
         } constexpr subpixelTypes[] = {
@@ skipping 57 matching lines @@
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new TypefaceStylesGM(false); )
 DEF_GM( return new TypefaceStylesGM(true); )
 DEF_GM( return new TypefaceRenderingGM(); )