[foozzie] Suppress some asm test cases

BUG=chromium:680110
TBR=clemensh@chromium.org, titzer@chromium.org, ahaas@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2625333002
Cr-Commit-Position: refs/heads/master@{#42266}

tools/foozzie/v8_suppressions.py

@@ -40,9 +40,10 @@ IGNORE_SOURCES = {
   # This contains a usage of f.arguments that often fires.
   'crbug.com/662424': '/v8/test/mjsunit/regress/regress-2989.js',
 
-  # Cases of stdlib access going wrong.
-  'crbug.com/680110' : '/v8/test/mjsunit/compiler/regress-443744.js',
-  'crbug.com/680110' : '/v8/test/mjsunit/regress/wasm/regression-647649.js',
+  # crbug.com/680110
+  'crbug.com/680110': '/v8/test/mjsunit/asm/pointer-masking.js',
+  'crbug.com/680110': '/v8/test/mjsunit/compiler/regress-443744.js',
+  'crbug.com/680110': '/v8/test/mjsunit/regress/wasm/regression-647649.js',
 }
 
 # Ignore by test case pattern. Map from bug->regexp.