#2937: source file that compiled fine fails to recompile after touching it (yes,
another one)
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Reporter: rwbarton | Owner: simonpj
Type: bug | Status: new
Priority: normal | Milestone: 6.10.2
Component: Compiler | Version: 6.11
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: tc245 | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by simonpj):
Ah. Its seems that
* this `fromJust` failure is an example of #2417;
* which is marked as a dup of #1968
* which was fixed in the HEAD but not 6.10
GHC 6.10 doesn't support GADTs in associated types, which this test uses.
It is a still a bug that 6.10 crashes under such circumstances. Do we
care enough? If 6.10 is long-lived, perhaps we do. So pls create a ticket
for the absence of a decent error message and we can do a 6.10 only patch.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2937#comment:3>
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