[Issue 7108] New: ICE: TraitsExp::semantic(Scope*) 2.056 -> 2.057 regression - segfault

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7108

           Summary: ICE: TraitsExp::semantic(Scope*)  2.056 -> 2.057
                    regression - segfault
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: dlang at chilon.net


--- Comment #0 from pelo <dlang at chilon.net> 2011-12-14 04:47:32 PST ---
Most of my d code now causes the compiler to core dump.  All 3 of 3 projects no
longer work and only two of them share code.

Here's the backtrace I got:

Program terminated with signal 11, Segmentation fault.
#0  0x0000000000520227 in TraitsExp::semantic(Scope*) ()
#1  0x0000000000479f95 in OrOrExp::semantic(Scope*) ()
#2  0x0000000000452729 in StaticIfCondition::include(Scope*, ScopeDsymbol*) ()
#3  0x0000000000407173 in ConditionalDeclaration::include(Scope*,
ScopeDsymbol*) ()
#4  0x00000000004065e7 in StaticIfDeclaration::semantic(Scope*) ()
#5  0x0000000000406623 in StaticIfDeclaration::semantic(Scope*) ()
#6  0x0000000000406623 in StaticIfDeclaration::semantic(Scope*) ()
#7  0x00000000004fcd28 in TemplateInstance::semantic(Scope*,
ArrayBase<Expression>*)
    ()
#8  0x00000000004c3bba in TypeInstance::resolve(Loc, Scope*, Expression**,
Type**, Dsymbol**) ()
#9  0x00000000004b7936 in TypeInstance::toDsymbol(Scope*) ()
#10 0x0000000000453db2 in AliasDeclaration::semantic(Scope*) ()
#11 0x0000000000406623 in StaticIfDeclaration::semantic(Scope*) ()
#12 0x00000000004fcd28 in TemplateInstance::semantic(Scope*,
ArrayBase<Expression>*)
    ()
#13 0x0000000000458890 in Dsymbol::searchX(Loc, Scope*, Identifier*) ()
#14 0x00000000004b7a54 in TypeIdentifier::toDsymbol(Scope*) ()
#15 0x0000000000453db2 in AliasDeclaration::semantic(Scope*) ()
#16 0x00000000004fcd28 in TemplateInstance::semantic(Scope*,
ArrayBase<Expression>*)
    ()
#17 0x00000000004c3bba in TypeInstance::resolve(Loc, Scope*, Expression**,
Type**, Ds
ymbol**) ()

I'll try to narrow down the (multiple) constructs that cause this.

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