commit 4fafedd33add9948db1147c60d681ed9340984fd
author Herb Derby <herb@google.com> Mon Dec 18 15:06:29 2017 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Mon Dec 18 20:49:02 2017 +0000
tree c2a9f3000375c8b7c226072f67b371d0dec10b0c
parent 45fd995b9652a8ba2e0b0cad480ca08763bda7e3

Make unit test tickle msan bug.

Tested using MSAN with image clearing code
removed.

Change-Id: Ic863328c868887455bb92650d3fdcecbf4d2b1cf
Reviewed-on: https://skia-review.googlesource.com/86761
Commit-Queue: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>

gm/imagefiltersbase.cpp

diff --git a/gm/imagefiltersbase.cpp b/gm/imagefiltersbase.cpp
index da26d97..7fe9aff 100644
--- a/gm/imagefiltersbase.cpp
+++ b/gm/imagefiltersbase.cpp
@@ -208,7 +208,10 @@
             IdentityImageFilter::Make(nullptr),
             FailImageFilter::Make(),
             SkColorFilterImageFilter::Make(std::move(cf), nullptr),
-            SkBlurImageFilter::Make(12.0f, 0.0f, nullptr),
+            // The strage 0.29 value tickles an edge case where crop rect calculates
+            // a small border, but the blur really needs no border. This tickels
+            // an msan uninitialized value bug.
+            SkBlurImageFilter::Make(12.0f, 0.29f, nullptr),
             SkDropShadowImageFilter::Make(
                                     10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE,
                                     SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,