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author | David Terei <davidterei@gmail.com> | 2011-07-20 11:09:03 -0700 |
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committer | David Terei <davidterei@gmail.com> | 2011-07-20 11:26:35 -0700 |
commit | 16514f272fb42af6e9c7674a9bd6c9dce369231f (patch) | |
tree | e4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/parser/should_fail/readFail027.hs | |
parent | ebd422aed41048476aa61dd4c520d43becd78682 (diff) | |
download | haskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz |
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/parser/should_fail/readFail027.hs')
-rw-r--r-- | testsuite/tests/parser/should_fail/readFail027.hs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/tests/parser/should_fail/readFail027.hs b/testsuite/tests/parser/should_fail/readFail027.hs new file mode 100644 index 0000000000..9a4754678a --- /dev/null +++ b/testsuite/tests/parser/should_fail/readFail027.hs @@ -0,0 +1,15 @@ +{-# LANGUAGE NoRelaxedLayout #-} + +module ShouldFail where + +-- Erroneously allowed by GHC 6.2.x +f x = case x of + False -> do + { return x; } +-- this line should close the 'case' context and cause the 'do' to be empty. + +-- Update: arguably this should be allowed. The fix to the Haskell +-- layout rule to allow it is simple: in Section 9.3 in the rules that +-- govern the introduction of the <n> and {n} psuedo-tokens, we need +-- to prevent <n> being inserted before {. This could be a simple +-- side-condition on the rule that introduces <n>. |