commit e43e3bdd6d7a49623496331a17344a76d04caa7e
author joshualitt <joshualitt@chromium.org> Wed Jul 29 11:10:38 2015 -0700
committer Commit bot <commit-bot@chromium.org> Wed Jul 29 11:10:38 2015 -0700
tree 219b8d24728865a787009cfe3139f7b6d4d91002
parent fdb788cbfcdccac65d8d1f535920c7f2fdba1ead

Fix for GrAtlasTextContext crash

BUG=510931

Review URL: https://codereview.chromium.org/1256763005

src/gpu/GrAtlasTextBlob.h

diff --git a/src/gpu/GrAtlasTextBlob.h b/src/gpu/GrAtlasTextBlob.h
index 1f37c67..502177d 100644
--- a/src/gpu/GrAtlasTextBlob.h
+++ b/src/gpu/GrAtlasTextBlob.h
@@ -99,8 +99,9 @@
 
         SubRunInfo& push_back() {
             // Forward glyph / vertex information to seed the new sub run
-            SubRunInfo& prevSubRun = fSubRunInfo.back();
             SubRunInfo& newSubRun = fSubRunInfo.push_back();
+            SubRunInfo& prevSubRun = fSubRunInfo.fromBack(1);
+
             newSubRun.fGlyphStartIndex = prevSubRun.fGlyphEndIndex;
             newSubRun.fGlyphEndIndex = prevSubRun.fGlyphEndIndex;