Harmony: move math features to es-staging.

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/195123002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19886 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/flag-definitions.h

@@ -187,7 +187,7 @@ DEFINE_bool(harmony_strings, false, "enable harmony string")
 DEFINE_bool(harmony_arrays, false, "enable harmony arrays")
 DEFINE_bool(harmony_maths, false, "enable harmony math functions")
 DEFINE_bool(harmony, false, "enable all harmony features (except typeof)")
-DEFINE_implication(harmony, es_staging)
+
 DEFINE_implication(harmony, harmony_scoping)
 DEFINE_implication(harmony, harmony_modules)
 DEFINE_implication(harmony, harmony_symbols)
@@ -199,10 +199,12 @@ DEFINE_implication(harmony, harmony_iteration)
 DEFINE_implication(harmony, harmony_numeric_literals)
 DEFINE_implication(harmony, harmony_strings)
 DEFINE_implication(harmony, harmony_arrays)
-DEFINE_implication(harmony, harmony_maths)
 DEFINE_implication(harmony_promises, harmony_collections)
 DEFINE_implication(harmony_modules, harmony_scoping)
 
+DEFINE_implication(harmony, es_staging)
+DEFINE_implication(es_staging, harmony_maths)
+
 // Flags for experimental implementation features.
 DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes")
 DEFINE_bool(smi_only_arrays, true, "tracks arrays with only smi values")