diff options
| author | Richard Eisenberg <eir@cis.upenn.edu> | 2015-06-08 15:57:33 -0400 |
|---|---|---|
| committer | Richard Eisenberg <eir@cis.upenn.edu> | 2015-06-16 14:22:51 -0400 |
| commit | 0de0b14691e0b0789988332ad5addc2a31b09ba6 (patch) | |
| tree | 19cd1fb41aa065a11b03d0e92a6355f83f9f5392 /testsuite/tests/typecheck | |
| parent | c772f57e128e04415949f91f299ec9bcc60c4caf (diff) | |
| download | haskell-0de0b14691e0b0789988332ad5addc2a31b09ba6.tar.gz | |
Fix #10495.
This change means that the intricate reasoning in TcErrors
around getting messages just right for nominal equalities
is skipped for representational equalities.
Diffstat (limited to 'testsuite/tests/typecheck')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T10495.hs | 5 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T10495.stderr | 6 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/all.T | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T10495.hs b/testsuite/tests/typecheck/should_fail/T10495.hs new file mode 100644 index 0000000000..2573f51875 --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T10495.hs @@ -0,0 +1,5 @@ +module T10495 where + +import Data.Coerce + +foo = coerce diff --git a/testsuite/tests/typecheck/should_fail/T10495.stderr b/testsuite/tests/typecheck/should_fail/T10495.stderr new file mode 100644 index 0000000000..6e92505504 --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T10495.stderr @@ -0,0 +1,6 @@ + +T10495.hs:5:7: error: + Couldn't match representation of type ‘a0’ with that of ‘b0’ + Relevant bindings include foo :: a0 -> b0 (bound at T10495.hs:5:1) + In the expression: coerce + In an equation for ‘foo’: foo = coerce diff --git a/testsuite/tests/typecheck/should_fail/all.T b/testsuite/tests/typecheck/should_fail/all.T index eeb410f0ef..7b0f5fb7de 100644 --- a/testsuite/tests/typecheck/should_fail/all.T +++ b/testsuite/tests/typecheck/should_fail/all.T @@ -367,3 +367,4 @@ test('T10285', test('T10351', normal, compile_fail, ['']) test('T10534', extra_clean(['T10534a.hi', 'T10534a.o']), multimod_compile_fail, ['T10534', '-v0']) +test('T10495', normal, compile_fail, ['']) |