[commit: ghc] master: Have mkCastTy look more closely for reflexivity. (52da6bd)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/52da6bdc17bb491d6d2f462b3680eb44b9be92e5/ghc

>---------------------------------------------------------------

commit 52da6bdc17bb491d6d2f462b3680eb44b9be92e5
Author: Richard Eisenberg <eir at cis.upenn.edu>
Date:   Sat Dec 26 09:11:33 2015 -0500

    Have mkCastTy look more closely for reflexivity.
    
    This may have performance implications.


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52da6bdc17bb491d6d2f462b3680eb44b9be92e5
 compiler/coreSyn/CoreSubst.hs                      |  13 +-
 compiler/typecheck/TcForeign.hs                    |   2 +-
 compiler/types/Coercion.hs                         |  31 +-
 compiler/types/Coercion.hs-boot                    |   1 +
 compiler/types/Type.hs                             |  15 +-
 testsuite/tests/dependent/should_compile/all.T     |   1 +
 .../dependent/should_compile/dynamic-paper.hs      | 341 +++++++++++++++++++++
 7 files changed, 392 insertions(+), 12 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 52da6bdc17bb491d6d2f462b3680eb44b9be92e5