#5303: GHC crash (panic) with -O2 and nonexistent .hi
-------------------------+--------------------------------------------------
Reporter: mornfall | Owner:
Type: bug | Status: merge
Priority: high | Milestone: 7.2.1
Component: Compiler | Version: 7.0.3
Keywords: | Testcase: simplCore/should_compile/T303
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: x86 | Failure: Compile-time crash
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Changes (by simonpj):
* status: new => merge
* testcase: => simplCore/should_compile/T303
Comment:
I believe that, despite the commit message, this patch fixes the bug
{{{
commit e91c7ea8afb81f0ed184437f3eef840e5faf047c
Author: Simon Peyton Jones <[email protected]>
Date: Fri Jul 15 17:14:10 2011 +0100
A bit more work to to keep the right in-scope set around
This change gets rid of a debug WARNING; it wasn't
actually making anything go wrong, but it's best to
have the correct in-scope set.
compiler/typecheck/TcInstDcls.lhs | 6 ++-
compiler/types/Coercion.lhs | 18 +++----
compiler/types/OptCoercion.lhs | 98
+++++++++++++++++++------------------
3 files changed, 61 insertions(+), 61 deletions(-)
}}}
I think I just forgot what I had fixed! Anyway, it certainly works now,
and I've added a test. Thanks for reporting it.
Pls merge to 7.2
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5303#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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