diff options
| author | Simon Peyton Jones <simonpj@microsoft.com> | 2015-12-22 15:49:24 +0000 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2015-12-23 07:46:37 +0000 |
| commit | ed213ead5e92aa3c2ae830a00f06684a1028d3ad (patch) | |
| tree | 021db12e4f775701b683dd2e74b67a6990222d08 | |
| parent | 6eb9dc9cf44794e772fc09695bdbe62bb9c9216b (diff) | |
| download | haskell-ed213ead5e92aa3c2ae830a00f06684a1028d3ad.tar.gz | |
Test Trac #11274
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T11274.hs | 10 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T11274.stderr | 5 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/all.T | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T11274.hs b/testsuite/tests/typecheck/should_fail/T11274.hs new file mode 100644 index 0000000000..2109cdfa9c --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T11274.hs @@ -0,0 +1,10 @@ +{-# OPTIONS_GHC -fdefer-typed-holes #-} + +module T11274 where + +data Asd = Asd + +someHole = _asd + +missingInstance :: Asd -> Asd -> Bool +missingInstance x y = x == y diff --git a/testsuite/tests/typecheck/should_fail/T11274.stderr b/testsuite/tests/typecheck/should_fail/T11274.stderr new file mode 100644 index 0000000000..f73131704a --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T11274.stderr @@ -0,0 +1,5 @@ + +T11274.hs:10:25: error: + • No instance for (Eq Asd) arising from a use of ‘==’ + • In the expression: x == y + In an equation for ‘missingInstance’: missingInstance x y = x == y diff --git a/testsuite/tests/typecheck/should_fail/all.T b/testsuite/tests/typecheck/should_fail/all.T index 27aa70b3cf..8d8d4306e7 100644 --- a/testsuite/tests/typecheck/should_fail/all.T +++ b/testsuite/tests/typecheck/should_fail/all.T @@ -395,3 +395,4 @@ test('CustomTypeErrors02', normal, compile_fail, ['']) test('CustomTypeErrors03', normal, compile_fail, ['']) test('T11112', normal, compile_fail, ['']) test('ClassOperator', normal, compile_fail, ['']) +test('T11274', normal, compile_fail, ['']) |