Host: deployment-mediawiki04
ProcessID: 15307
ThreadID: 140106153326336
ThreadPID: 15323
Name: unknown program
Type: Aborted
Runtime: hhvm
Version: 3.18.2+dfsg-1+wmf5
DebuggerCount: 0

-------------------------------------cgInst-------------------------------------
: (99) t29:{InitNull|StaticStr|UncountedStr|CountedStr} = CallBuiltin<-2,wikidiff2_inline_diff,needsCallerFrame> t0:FramePtr, t1:StkPtr, t14:PtrToStkGen, t20:PtrToStkGen, 2 -> B28<Catch>
-----------------------------------vasm unit------------------------------------
: 
 B0      main
      lea        [%rbp - 0x80] => %128              # (01) t1:StkPtr = DefSP<FPInvOff 8> t0:FramePtr
      testbim    2, [%rbp - 0x8] => %140            # (04) CheckLoc<Str,0> t0:FramePtr -> B2<Unlikely>
      jcc        E, %140, B2, else B32

 B32     main, B0
      jmp        B4

 B4      main, B32
      testbim    2, [%rbp - 0x18] => %141           # (06) CheckLoc<Str,1> t0:FramePtr -> B3<Unlikely>
      jcc        E, %141, B3, else B33

 B33     main, B4
      jmp        B5

 B5      main, B33
      decqmlock  [%142] => %143                     # (08) IncProfCounter<83060>
      load       [%rbp - 0x10] => %129              # (12) t4:Str = LdLoc<Str,0> t0:FramePtr
      cmplim     0, [%129] => %144                  # (13) IncRef t4:Str
      jcc        GE, %144, B34, else B35

 B34     main, B5
      inclm      [%129] => %145
      jmp        B35

 B35     main, B34, B5
      storeb     %146(98b), [%128 - 0x8]            # (14) StStk<IRSPOff -1> t1:StkPtr, t4:Str
      store      %129, [%128 - 0x10]
      load       [%rbp - 0x20] => %130              # (16) t5:Str = LdLoc<Str,1> t0:FramePtr
      cmplim     0, [%130] => %147                  # (17) IncRef t5:Str
      jcc        GE, %147, B36, else B37

 B36     main, B35
      inclm      [%130] => %148
      jmp        B37

 B37     main, B36, B35
      storeb     %146(98b), [%128 - 0x18]           # (18) StStk<IRSPOff -2> t1:StkPtr, t5:Str
      store      %130, [%128 - 0x20]
      storeb     %149(17b), [%128 - 0x28]           # (20) StStk<IRSPOff -3> t1:StkPtr, 2
      store      %131(2q), [%128 - 0x30]
      storeb     %146(98b), [%128 - 0x8]            # (23) StStk<IRSPOff -1> t1:StkPtr, t4:Str
      store      %129, [%128 - 0x10]
      storeb     %146(98b), [%128 - 0x18]           # (24) StStk<IRSPOff -2> t1:StkPtr, t5:Str
      store      %130, [%128 - 0x20]
      lea        [%128 - 0x10] => %132              # (46) t14:PtrToStkGen = LdStkAddr<IRSPOff -1> t1:StkPtr
      lea        [%128 - 0x20] => %133              # (68) t20:PtrToStkGen = LdStkAddr<IRSPOff -2> t1:StkPtr

 B2      main, B0
        <empty>

 B3      main, B4
        <empty>

27 unreachable blocks not shown. Set TRACE=vasm:6 or greater to print them.

-----------------------------------hhir unit------------------------------------
: digraph G {
B0 [shape=box,color=orange,label="B0\ncount=1"]
B0 -> B4; B0 -> B2 [color=blue]
B4 [shape=box,color=orange,label="B4\ncount=1"]
B4 -> B5; B4 -> B3 [color=blue]
B5 [shape=box,color=orange,label="B5\ncount=1"]
B5 -> B29; B5 -> B28 [color=gray]
B29 [shape=box,color=orange,label="B29\ncount=1"]
B28 [shape=box,color=blue,label="B28\ncount=1"]
B3 [shape=box,color=blue,label="B3\ncount=1"]
B2 [shape=box,color=blue,label="B2\ncount=1"]
}

 B0: [profCount=1]
Method public (mayusevv) InlineDifferenceEngine::generateTextDiffBody at 948
 Param: otext
 Param: ntext
maxStackCells: 15
numLocals: 8
numIterators: 0
    --- bc 976t, fp _, spOff 8 (InlineDifferenceEngine::generateTextDiffBody)
 976: CGetL L:0
    (00) t0:FramePtr = DefFP
    (01) t1:StkPtr = DefSP<FPInvOff 8> t0:FramePtr

    --- bc 976t, fp 0, spOff 8 (InlineDifferenceEngine::generateTextDiffBody)
 976: CGetL L:0
    (04) CheckLoc<Str,0> t0:FramePtr -> B2<Unlikely>
  -> B4

 B4: [profCount=1] (preds B0)
    (06) CheckLoc<Str,1> t0:FramePtr -> B3<Unlikely>
  -> B5

 B5: [profCount=1] (preds B4)
    (07) EndGuards
    (08) IncProfCounter<83060>
    (12) t4:Str = LdLoc<Str,0> t0:FramePtr
    (13) IncRef t4:Str
    (14) StStk<IRSPOff -1> t1:StkPtr, t4:Str
    --- bc 978t, fp 0, spOff 9 (InlineDifferenceEngine::generateTextDiffBody)
 978: CGetL L:1
    (16) t5:Str = LdLoc<Str,1> t0:FramePtr
    (17) IncRef t5:Str
    (18) StStk<IRSPOff -2> t1:StkPtr, t5:Str

    --- bc 980t, fp 0, spOff 10 (InlineDifferenceEngine::generateTextDiffBody)
 980: Int 2
    (20) StStk<IRSPOff -3> t1:StkPtr, 2

    --- bc 989t, fp 0, spOff 11 (InlineDifferenceEngine::generateTextDiffBody)
 989: FCallBuiltin 3 3 "wikidiff2_inline_diff"
    (23) StStk<IRSPOff -1> t1:StkPtr, t4:Str
    (24) StStk<IRSPOff -2> t1:StkPtr, t5:Str

    --- bc 989t, fp 0, spOff 10 (InlineDifferenceEngine::generateTextDiffBody)
 989: FCallBuiltin 3 3 "wikidiff2_inline_diff"
    (46) t14:PtrToStkGen = LdStkAddr<IRSPOff -1> t1:StkPtr
    (68) t20:PtrToStkGen = LdStkAddr<IRSPOff -2> t1:StkPtr
    (99) t29:{InitNull|StaticStr|UncountedStr|CountedStr} = CallBuiltin<-2,wikidiff2_inline_diff,needsCallerFrame> t0:FramePtr, t1:StkPtr, t14:PtrToStkGen, t20:PtrToStkGen, 2 -> B28<Catch>
  -> B29

 B29: [profCount=1] (preds B5)
    (101) t30:Str = LdStk<Str,IRSPOff -2> t1:StkPtr
    (102) DecRef<-> t30:Str
    (103) t31:Str = LdStk<Str,IRSPOff -1> t1:StkPtr
    (104) DecRef<-> t31:Str
    (105) StStk<IRSPOff -1> t1:StkPtr, t29:{InitNull|StaticStr|UncountedStr|CountedStr}
    --- bc 996t, fp 0, spOff 9 (InlineDifferenceEngine::generateTextDiffBody)
 996: UnboxRNop
    (106) ReqBindJmp<997, FPInv 9, IRSP -1, Flags 0> t1:StkPtr, t0:FramePtr
  no fallthrough

------------------------cold blocks-------------------------
 B28<Catch>: [profCount=1]<Unlikely> (preds B5)
    --- bc 989t, fp 0, spOff 10 (InlineDifferenceEngine::generateTextDiffBody)
 989: FCallBuiltin 3 3 "wikidiff2_inline_diff"
    (91) BeginCatch
    (93) t27:Str = LdStk<Str,IRSPOff -2> t1:StkPtr
    (94) DecRef<-> t27:Str
    (95) t28:Str = LdStk<Str,IRSPOff -1> t1:StkPtr
    (96) DecRef<-> t28:Str
    (97) EagerSyncVMRegs<IRSPOff 0> t0:FramePtr, t1:StkPtr

    --- bc 989t, fp 0, spOff 8 (InlineDifferenceEngine::generateTextDiffBody)
 989: FCallBuiltin 3 3 "wikidiff2_inline_diff"
    (98) EndCatch<IRSPOff 0> t0:FramePtr, t1:StkPtr
  no fallthrough

 B3<Unlikely>: [profCount=1]<Unlikely> (preds B4)
    --- bc 976t, fp 0, spOff 8 (InlineDifferenceEngine::generateTextDiffBody)
 976: CGetL L:0
    (05) ReqRetranslate<0,0> t1:StkPtr, t0:FramePtr
  no fallthrough

 B2<Unlikely>: [profCount=1]<Unlikely> (preds B0)
    (03) ReqRetranslate<0,0> t1:StkPtr, t0:FramePtr
  no fallthrough

ThreadType: Web Request
Assertion Failure: /tmp/buildd/hhvm-3.18.2+dfsg/hphp/runtime/vm/jit/ir-instruction-inl.h:166: HPHP::jit::SSATmp* HPHP::jit::IRInstruction::src(uint32_t) const: assertion `i < numSrcs()' failed.
URL: /wiki/Special:MobileDiff/350820
Server_SERVER_NAME: en.wikipedia.beta.wmflabs.org
Server: en.wikipedia.beta.wmflabs.org

# 0  000000000219e6f6
# 1  0000000000f3de52
# 2  00007f6d2b743890
# 3  00007f6d25db7067
# 4  00007f6d25db8448
# 5  0000000000d49558
# 6  00000000014266c3
# 7  00000000012f362f
# 8  000000000175b5a1
# 9  000000000175c063
# 10 0000000001477e8d
# 11 0000000001479102
# 12 000000001360001a
# 13 000000001041b751
# 14 000000001041b2ad
# 15 0000000010416926
# 16 000000001041500b
# 17 000000001040983d
# 18 00000000102cbdc7
# 19 000000000fb50d62
# 20 000000000fb50624
# 21 000000000fb1f305
# 22 000000000fae30e7
# 23 000000000fab9fe0
# 24 00000000136000c0
# 25 00000000136000c0
# 26 000000000460029e
# 27 0000000001772ab4
# 28 000000000151744a
# 29 0000000000f4484f
# 30 0000000000f44cfa
# 31 0000000000f45255
# 32 00000000021a3b6c
# 33 00000000021a3ea9
# 34 00000000021a2ac3
# 35 000000000115d736
# 36 0000000002199927
# 37 000000000117f472
# 38 000000000117fb89
# 39 0000000000d51fdf
# 40 0000000000d521ab
# 41 0000000000f81a66
# 42 00007f6d2b73c064
# 43 00007f6d25e6a62d

PHP Stacktrace:

#0  InlineDifferenceEngine->generateTextDiffBody() called at [/srv/mediawiki/php-master/includes/diff/DifferenceEngine.php:844]
#1  DifferenceEngine->generateContentDiffBody() called at [/srv/mediawiki/php-master/includes/diff/DifferenceEngine.php:772]
#2  DifferenceEngine->getDiffBody() called at [/srv/mediawiki/php-master/extensions/MobileFrontend/includes/diff/InlineDifferenceEngine.php:64]
#3  InlineDifferenceEngine->showDiffPage() called at [/srv/mediawiki/php-master/extensions/MobileFrontend/includes/specials/SpecialMobileDiff.php:176]
#4  SpecialMobileDiff->displayDiffPage() called at [/srv/mediawiki/php-master/extensions/MobileFrontend/includes/specials/SpecialMobileDiff.php:137]
#5  SpecialMobileDiff->executeWhenAvailable() called at [/srv/mediawiki/php-master/extensions/MobileFrontend/includes/specials/MobileSpecialPage.php:60]
#6  MobileSpecialPage->execute() called at [/srv/mediawiki/php-master/includes/specialpage/SpecialPage.php:522]
#7  SpecialPage->run() called at [/srv/mediawiki/php-master/includes/specialpage/SpecialPageFactory.php:578]
#8  SpecialPageFactory::executePath() called at [/srv/mediawiki/php-master/includes/MediaWiki.php:287]
#9  MediaWiki->performRequest() called at [/srv/mediawiki/php-master/includes/MediaWiki.php:851]
#10 MediaWiki->main() called at [/srv/mediawiki/php-master/includes/MediaWiki.php:523]
#11 MediaWiki->run() called at [/srv/mediawiki/php-master/index.php:43]
#12 include() called at [/srv/mediawiki/w/index.php:3]