#4995: Compiling pandoc with llvm backend fails with panic
--------------------------------+-------------------------------------------
Reporter: jgm | Owner: dterei
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler (LLVM) | Version: 7.0.2
Keywords: llvm pandoc | Testcase:
Blockedby: | Difficulty:
Os: MacOS X | Blocking:
Architecture: x86 | Failure: None/Unknown
--------------------------------+-------------------------------------------
Description changed by igloo:
Old description:
> I decided to try compiling pandoc with the llvm backend (GHC 7.0.2 32 bit
> on Mac OSX 10.6). I put -fllvm in Ghc-Options in the cabal file and did
> a 'cabal install'.
> It failed eventually with the following message, which I am duly
> reporting:
>
> [14 of 37] Compiling Text.Pandoc.Readers.LaTeX (
> src/Text/Pandoc/Readers/LaTeX.hs, dist/build/pandoc/pandoc-
> tmp/Text/Pandoc/Readers/LaTeX.o )
> SpecConstr
> Function `$w$j{v s62TR} [lid]'
> has two call patterns, but the limit is 1
> Use -fspec-constr-count=n to set the bound
> Use -dppr-debug to see specialisations
> SpecConstr
> Function `$w$j{v s62TR} [lid]'
> has two call patterns, but the limit is 1
> Use -fspec-constr-count=n to set the bound
> Use -dppr-debug to see specialisations
> [...deleted more in that vein...]
> SpecConstr
> Function `$w$j{v s63cF} [lid]'
> has two call patterns, but the limit is 1
> Use -fspec-constr-count=n to set the bound
> Use -dppr-debug to see specialisations
> ghc: panic! (the 'impossible' happened)
> (GHC version 7.0.2 for i386-apple-darwin):
> LLvmMangler Cannot read"_c6"as it's not an Int
>
> Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
New description:
I decided to try compiling pandoc with the llvm backend (GHC 7.0.2 32 bit
on Mac OSX 10.6). I put -fllvm in Ghc-Options in the cabal file and did a
'cabal install'.
It failed eventually with the following message, which I am duly
reporting:
{{{
[14 of 37] Compiling Text.Pandoc.Readers.LaTeX (
src/Text/Pandoc/Readers/LaTeX.hs, dist/build/pandoc/pandoc-
tmp/Text/Pandoc/Readers/LaTeX.o )
SpecConstr
Function `$w$j{v s62TR} [lid]'
has two call patterns, but the limit is 1
Use -fspec-constr-count=n to set the bound
Use -dppr-debug to see specialisations
SpecConstr
Function `$w$j{v s62TR} [lid]'
has two call patterns, but the limit is 1
Use -fspec-constr-count=n to set the bound
Use -dppr-debug to see specialisations
[...deleted more in that vein...]
SpecConstr
Function `$w$j{v s63cF} [lid]'
has two call patterns, but the limit is 1
Use -fspec-constr-count=n to set the bound
Use -dppr-debug to see specialisations
ghc: panic! (the 'impossible' happened)
(GHC version 7.0.2 for i386-apple-darwin):
LLvmMangler Cannot read"_c6"as it's not an Int
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4995#comment:3>
GHC <http://www.haskell.org/ghc/>
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