[tor-bugs] #7975 [Tor]: Tor 0.2.4.9 fails to compile on EL5.8/x86_64

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#7975: Tor 0.2.4.9 fails to compile on EL5.8/x86_64
--------------------+-------------------------------------------------------
 Reporter:  hiviah  |          Owner:                    
     Type:  defect  |         Status:  new               
 Priority:  normal  |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor     |        Version:                    
 Keywords:          |         Parent:                    
   Points:          |   Actualpoints:                    
--------------------+-------------------------------------------------------
 Compilation of Tor 0.2.4.9 fails with "internal compiler error" pasted
 below.

 All other RPM platforms (EL5/i686; FC16, FC17, EL6 i686/x86_64) compile
 fine.

 Most likely it's really a compiler bug.

 {{{
   CC     src/common/compat_libevent.o
   AR     src/common/libor-event.a
   CC     src/ext/curve25519_donna/src_common_libcurve25519_donna_a-
 curve25519-donna-c64.o
 src/ext/curve25519_donna/curve25519-donna-c64.c: In function
 'curve25519_donna':
 src/ext/curve25519_donna/curve25519-donna-c64.c:449: error: unrecognizable
 insn:
 (insn 10003 10002 10004 20
 src/ext/curve25519_donna/curve25519-donna-c64.c:259 (parallel [
             (set (reg:CC 17 flags)
                 (unspec:CC [
                         (reg:DI 2 cx [orig:375 t$0.894 ] [375])
                         (const_int 2251799813685229 [0x7ffffffffffed])
                     ] 24))
             (set (reg:DI 2 cx [orig:375 t$0.894 ] [375])
                 (plus:DI (reg:DI 2 cx [orig:375 t$0.894 ] [375])
                     (const_int 2251799813685229 [0x7ffffffffffed])))
         ]) -1 (nil)
     (nil))
 src/ext/curve25519_donna/curve25519-donna-c64.c:449: internal compiler
 error: in extract_insn, at recog.c:2084
 Please submit a full bug report,
 with preprocessed source if appropriate.
 See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.
 Preprocessed source stored into /tmp/ccUNksyy.out file, please attach this
 to your bugreport.
 make[1]: *** [src/ext/curve25519_donna/src_common_libcurve25519_donna_a-
 curve25519-donna-c64.o] Error 1
 make[1]: Leaving directory `/builddir/build/BUILD/tor-0.2.4.9-alpha'
 make: *** [all] Error 2
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7975>
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