add asserts to point<-->verb helpers

patch from issue 16153005

BUG=

Review URL: https://codereview.chromium.org/16195004

git-svn-id: http://skia.googlecode.com/svn/trunk@9344 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathOpsSimplifyTest.cpp b/tests/PathOpsSimplifyTest.cpp
index ce2c89b..f4a332e 100644
--- a/tests/PathOpsSimplifyTest.cpp
+++ b/tests/PathOpsSimplifyTest.cpp
@@ -3772,7 +3772,7 @@
     testSimplify(reporter, path);
 }
 
-static void (*firstTest)(skiatest::Reporter* ) = 0;
+static void (*firstTest)(skiatest::Reporter* ) = testQuadratic85;
 
 static TestDesc tests[] = {
     TEST(testQuad7),