Hack to prevent introducing variables starting with "_" into global scope when inlining functions.

R=acleung
DELTA=30 (28 added, 0 deleted, 2 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6202

git-svn-id: http://closure-compiler.googlecode.com/svn/trunk@2490 b0f006be-c8cd-11de-a2e8-8d36a3108c74
Fix typo

R=blickly
DELTA=1 (0 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6203

git-svn-id: http://closure-compiler.googlecode.com/svn/trunk@2491 b0f006be-c8cd-11de-a2e8-8d36a3108c74
Warn if disambiguating a property might be allowed by usage but disallowed due to a invalidation of a related type.

R=mknichel
DELTA=45 (44 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=6204

git-svn-id: http://closure-compiler.googlecode.com/svn/trunk@2492 b0f006be-c8cd-11de-a2e8-8d36a3108c74