Fix dart2dart test expectations after r41983.

R=zerny@google.com

Review URL: https://codereview.chromium.org//760003002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41992 260f80e4-7a28-3924-810f-c04153c831b5
Fix incremental parsing of import combinators.

This bug was discovered by the incremental parse stress tester.

R=scheglov@google.com

Review URL: https://codereview.chromium.org//759183002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41993 260f80e4-7a28-3924-810f-c04153c831b5
Skip slow test corelib/regexp/global_test.

R=vegorov@google.com
BUG=http://dartbug.com/21709,http://dartbug.com/21708

Review URL: https://codereview.chromium.org//760043002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41994 260f80e4-7a28-3924-810f-c04153c831b5
Explicitly clear out the IC-data register in ExecuteMatch.

The register value is unknown on entry to ExecuteMatch and needs to be
made GC safe before calling the matching function which could be a lazy
stub.

R=vegorov@google.com
BUG=

Review URL: https://codereview.chromium.org//753743005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41996 260f80e4-7a28-3924-810f-c04153c831b5
Incremental improvements in the matcher.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org//764493002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41997 260f80e4-7a28-3924-810f-c04153c831b5