#5527: mkTopLevEnv: not interpreted
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Reporter: cdsmith | Owner:
Type: bug | Status: new
Priority: normal | Component: GHC API
Version: 7.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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When attempting to compile, load, and use a module several times per
second with the GHC API, the compiler sometimes reports an error
"mkTopLevEnv: not interpreted" for the module being loaded, even when that
module isn't supposed to be interpreted.
The attached file exhibits the bug when runs multiple times in quick
succession (less than a second apart). The important ingredients are:
1. The same file is being compiled each time.
2. The .hi and .o files still exist from the previous compile.
3. The compiles are happening less than a second apart.
There's some suspicion that this is a problem with timestamp resolution.
This happens at least as far back as 7.1, and has been confirmed in the
latest i386-linux development snapshot (7.3, from Sep 6, 2011). The
attached code is for 7.3, but analogous code for older versions shows the
same bug.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5527>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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