[Bug ipa/64686] New: [5 Regression] ICE: in edge_badness, at ipa-inline.c:912 during Firefox LTO build with enabled checking

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64686

            Bug ID: 64686
           Summary: [5 Regression] ICE: in edge_badness, at
                    ipa-inline.c:912 during Firefox LTO build with enabled
                    checking
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: hubicka at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: markus at trippelsdorf dot net

gcc -v:
gcc version 5.0.0 20150120 (experimental) (GCC) 

BT:
lto1: internal compiler error: in edge_badness, at ipa-inline.c:912
0xe48e21 edge_badness
    ../../gcc/ipa-inline.c:912
0xe4ce25 update_edge_key
    ../../gcc/ipa-inline.c:1038
0xe4ce25 inline_small_functions
    ../../gcc/ipa-inline.c:1608
0xe4ec95 ipa_inline
    ../../gcc/ipa-inline.c:2179
0xe4ec95 execute
    ../../gcc/ipa-inline.c:2551

GDB:
912        gcc_checking_assert (edge_time <= callee_info->time);
(gdb) p edge_time
$1 = 2068
(gdb) p callee_info->time
$2 = 2032
# It's a recursive function
(gdb) p edge->caller == edge->callee
$9 = true


(gdb) call callee->dump(stderr)
_ZN23nsScriptSecurityManager26AddSitesToFileURIWhitelistERK9nsCString/3808049
(AddSitesToFileURIWhitelist) @0x7fff97344498
  Type: function definition analyzed
  Visibility: prevailing_def_ironly
  References: _ZN12nsCharTraitsIcE12sEmptyBufferE/58819
(read)_ZN23nsScriptSecurityManager10sIOServiceE/3807900
(read)_ZN23nsScriptSecurityManager10sIOServiceE/3807900
(read)_ZN17nsIConsoleService11COMTypeInfoIS_vE4kIIDE/88287 (addr)
  Referring: 
  Read from file:
/home/marxin/Programming/gecko-dev/obj-x86_64-unknown-linux-gnu/toolkit/library/../../caps/Unified_cpp_caps0.o
  Availability: local
  First run: 0
  Function flags: local
  Called by: _ZN23nsScriptSecurityManager25ScriptSecurityPrefChangedEv/3808048
(5.05 per call)
_ZN23nsScriptSecurityManager26AddSitesToFileURIWhitelistERK9nsCString/3808049
(1.01 per call)
_ZN23nsScriptSecurityManager26AddSitesToFileURIWhitelistERK9nsCString/3808049
(1.01 per call) 
  Calls: _Z8SkipPastI12IsWhitespaceEjRK9nsCStringj/3809750 (10.11 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (9.10 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (9.10 per call)
_ZN18nsAString_internal8FinalizeEv/58869 (0.64 per call)
_ZN18nsAString_internal8FinalizeEv/58869 (0.64 per call)
_ZN18nsAString_internal8FinalizeEv/58869 (0.64 per call)
_ZN18nsAString_internal6AssignERK16nsSubstringTuple/58883 (0.64 per call)
_Z18AppendASCIItoUTF16RK19nsACString_internalR18nsAString_internal/58501 (0.64
per call)
_ZN13nsCOMPtr_base25assign_from_gs_contractidE24nsGetServiceByContractIDRK4nsID/295933
(0.91 per call)
_ZN13nsTArray_ImplI8nsCOMPtrI6nsIURIE27nsTArrayInfallibleAllocatorE13AppendElementIRS2_EEPS2_OT_/3809758
(8.19 per call) __builtin_expect/17283 (9.10 per call)
_Z9NS_NewURIPP6nsIURIRK19nsACString_internalPKcS0_P12nsIIOService/181475 (9.10
per call) _ZN13nsCOMPtr_base16begin_assignmentEv/295936 (9.10 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN23nsScriptSecurityManager26AddSitesToFileURIWhitelistERK9nsCString/3808049
(1.01 per call) _ZN19nsACString_internal6AssignERK17nsCSubstringTuple/58939
(1.01 per call) _ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (1.01 per call)
_ZN23nsScriptSecurityManager26AddSitesToFileURIWhitelistERK9nsCString/3808049
(1.01 per call) _ZN19nsACString_internal6AssignERK17nsCSubstringTuple/58939
(1.01 per call) __builtin_expect/17283 (10.11 per call)
_ZN19nsACString_internal8FinalizeEv/58925 (10.11 per call)
_ZN19nsACString_internal6AssignERKS_/58937 (10.11 per call)
_ZN21nsDependentCSubstring6RebindERK19nsACString_internaljj/58008 (10.11 per
call) _Z9SkipUntilI12IsWhitespaceEjRK9nsCStringj/3809751 (10.11 per call)
_Z8SkipPastI12IsWhitespaceEjRK9nsCStringj/3809750 (1.00 per call) 
   Polymorphic indirect call of type struct nsISupports token:2(6.35 per call) 
    Outer type (dynamic):struct nsISupports (or a derived type) (maybe in
construction) offset 0
   Polymorphic indirect call of type struct nsISupports token:2(0.64 per call) 
    Outer type (dynamic):struct nsISupports (or a derived type) (maybe in
construction) offset 0
   Polymorphic indirect call of type struct nsIConsoleService token:4(0.64 per
call) 
    Outer type (dynamic):struct nsIConsoleService (or a derived type) (maybe in
construction) offset 0
   Polymorphic indirect call of type struct nsIIOService token:18(10.11 per
call) 
    Outer type (dynamic):struct nsIIOService (or a derived type) (maybe in
construction) offset 0

Thanks,
Martin