#5019: OS X: ld: warning: could not create compact unwind for _ffi_call_unix64
-------------------------------+--------------------------------------------
Reporter: altaic | Owner: igloo
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Compiler | Version: 7.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: MacOS X | Blocking:
Architecture: x86_64 (amd64) | Failure: Incorrect warning at
compile-time
-------------------------------+--------------------------------------------
Comment(by batterseapower):
After I installed XCode4 I started getting lots of instances of this
error:
{{{
ld: warning: could not create compact unwind for .LFB3: non-standard
register 5 being saved in prolog
}}}
A validate run fails with:
{{{
Unexpected failures:
cabal/cabal01 cabal01 [bad stderr] (normal)
cabal/cabal04 cabal04 [bad stderr] (normal)
codeGen/should_compile 2578 [bad stderr] (normal)
driver driver062a [bad stderr] (normal)
driver driver062b [bad stderr] (normal)
driver driver062c [bad stderr] (normal)
driver driver062d [bad stderr] (normal)
driver driver062e [bad stderr] (normal)
driver driver081a [bad stderr] (normal)
driver driver081b [bad stderr] (normal)
driver rtsopts001 [bad stderr] (normal)
driver rtsopts002 [bad stderr] (normal)
driver withRtsOpts [bad stderr] (normal)
driver/1372 1372 [bad stderr] (normal)
driver/1959 1959 [bad stderr] (normal)
driver/T3007 T3007 [bad stderr] (normal)
driver/recomp004 recomp004 [bad stderr] (normal)
gadt gadt23 [bad stderr] (normal)
lib/IO 3307 [bad stderr] (normal)
lib/IO T4113 [bad stdout] (normal)
lib/IO environment001 [bad stderr] (normal)
module mod179 [stderr mismatch] (normal)
perf/compiler T4801 [stat not good enough] (normal)
perf/should_run T2902 [bad stderr] (normal)
perf/should_run T3736 [bad stderr] (normal)
programs/hs-boot hs-boot [stderr mismatch] (normal)
rename/prog006 rn.prog006 [bad stderr] (normal)
rts 4850 [bad stderr] (normal)
rts T4059 [bad stderr] (normal)
typecheck/bug1465 bug1465 [bad stderr] (normal)
}}}
These are almost all failing because of the extra warning text.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5019#comment:11>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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