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Author SHA1 Message Date
Erik Ernst af79c19a53 Revision of "Adjusts dart2js backend to handle method type arguments" 
Adjusted version of CL https://codereview.chromium.org/1976213002/,
only changed by adding entries in status files for the test
'tests/language/generic_methods_type_expression_test.dart'.

Review URL: https://codereview.chromium.org/2001393003 .
 2016-05-24 11:12:02 +02:00
Erik Ernst 912bcc8418 Revert "Adjusts dart2js backend to handle method type arguments." 
This reverts commit 04e45eb634.

BUG=

Review URL: https://codereview.chromium.org/2000223002 .
 2016-05-23 18:35:53 +02:00
Erik Ernst 04e45eb634 Adjusts dart2js backend to handle method type arguments. 
This CL has the same purpose as 1969753002, stated in the title line,
but it works for checked mode execution (where 1969753002 was broken),
and for usage of method type arguments in additional situations.

Approach: `DartType` and subtypes have been extended with new methods
to erase `MethodTypeVariableType` to `DynamicType`. This is done early
(after resolution, before SsaBuilder), such that only few parts of the
compiler need to deal with anything new. This approach handles method
type variables in checked mode, in `new` expressions, and in function
typed parameters. Finally, tests are added for the new cases, and
status files updated.

UPDATE: See message #10 and #12 for an updated description of the approach.

R=johnniwinther@google.com

Review URL: https://codereview.chromium.org/1976213002 .
 2016-05-23 17:17:29 +02:00