[commit: ghc] master: testsuite: add a regression test for #10011 (e02ef0e)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/e02ef0e6d4eefa5f065cc1c33795dfa2114cd58e/ghc

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

commit e02ef0e6d4eefa5f065cc1c33795dfa2114cd58e
Author: Austin Seipp <austin at well-typed.com>
Date:   Thu Mar 19 17:41:08 2015 -0500

    testsuite: add a regression test for #10011
    
    Signed-off-by: Austin Seipp <austin at well-typed.com>


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

e02ef0e6d4eefa5f065cc1c33795dfa2114cd58e
 testsuite/.gitignore                                       |  1 +
 testsuite/tests/numeric/should_run/T10011.hs               | 14 ++++++++++++++
 .../tests/numeric/should_run/T10011.stdout                 |  0
 testsuite/tests/numeric/should_run/all.T                   |  1 +
 4 files changed, 16 insertions(+)

diff --git a/testsuite/.gitignore b/testsuite/.gitignore
index 27ecc02..30188e2 100644
--- a/testsuite/.gitignore
+++ b/testsuite/.gitignore
@@ -1045,6 +1045,7 @@ mk/ghcconfig*_inplace_bin_ghc-stage2.exe.mk
 /tests/numeric/should_run/T7689
 /tests/numeric/should_run/T8726
 /tests/numeric/should_run/T9810
+/tests/numeric/should_run/T10011
 /tests/numeric/should_run/add2
 /tests/numeric/should_run/arith001
 /tests/numeric/should_run/arith002
diff --git a/testsuite/tests/numeric/should_run/T10011.hs b/testsuite/tests/numeric/should_run/T10011.hs
new file mode 100644
index 0000000..91a0ecd
--- /dev/null
+++ b/testsuite/tests/numeric/should_run/T10011.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE ScopedTypeVariables, TypeOperators, GADTs #-}
+module Main
+       ( main -- :: IO ()
+       ) where
+import Data.Data
+import Data.Ratio
+
+main :: IO ()
+main =
+  let bad = gmapT (\(x :: b) ->
+              case eqT :: Maybe (b :~: Integer) of
+                Nothing -> x;
+                Just Refl -> x * 2) (1 % 2) :: Rational
+  in print (bad == numerator bad % denominator bad)
diff --git a/libraries/base/tests/IO/IOError002.stdout b/testsuite/tests/numeric/should_run/T10011.stdout
similarity index 100%
copy from libraries/base/tests/IO/IOError002.stdout
copy to testsuite/tests/numeric/should_run/T10011.stdout
diff --git a/testsuite/tests/numeric/should_run/all.T b/testsuite/tests/numeric/should_run/all.T
index 6262279..4369430 100644
--- a/testsuite/tests/numeric/should_run/all.T
+++ b/testsuite/tests/numeric/should_run/all.T
@@ -64,3 +64,4 @@ test('NumDecimals', normal, compile_and_run, [''])
 test('T8726', normal, compile_and_run, [''])
 test('CarryOverflow', omit_ways(['ghci']), compile_and_run, [''])
 test('T9810', normal, compile_and_run, [''])
+test('T10011', normal, compile_and_run, [''])