[Issue 4826] New: "cannot create associative array" and compiler crash

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4826

           Summary: "cannot create associative array" and compiler crash
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: brian-schott at cox.net


--- Comment #0 from brian-schott at cox.net 2010-09-05 19:21:54 PDT ---
Created an attachment (id=746)
Code that fails

DMD fails to compile the attached code, printing "Error: cannot create
associative array T[string]" before crashing.

Error message printed by GDB:

Program received signal SIGSEGV, Segmentation fault.
0x0817f8b7 in TemplateInstance::semantic (this=0x953b418, sc=0x0, fargs=0x0)
    at template.c:3554
3554        tinst = sc->tinst;

Backtrace:

#0  0x0817f8b7 in TemplateInstance::semantic (this=0x953b418, sc=0x0,
    fargs=0x0) at template.c:3554
#1  0x0818028a in TemplateInstance::semantic (this=0x953b418, sc=0x0)
    at template.c:3524
#2  0x081384b6 in TypeAArray::getImpl (this=0x82121e0) at mtype.c:3976
#3  0x0813ffa1 in TypeStruct::implicitConvTo (this=0x820df50, to=0x82121e0)
    at mtype.c:6942
#4  0x0817be83 in Type::deduceType (this=0x820df50, sc=0x939b448,
    tparam=0x82121e0, parameters=0x82120d0, dedtypes=0xffffc458)
    at template.c:1881
#5  0x0817c4a1 in TypeStruct::deduceType (this=0x820df50, sc=0x939b448,
    tparam=0x82121e0, parameters=0x82120d0, dedtypes=0xffffc458)
    at template.c:2412
#6  0x08180e6d in TemplateDeclaration::deduceFunctionTemplateMatch (
    this=0x8212e80, sc=0x9206218, loc=..., targsi=0x0, ethis=0x94dd5b0,
    fargs=0x94dd600, dedargs=0xffffc600) at template.c:1109
#7  0x08181767 in TemplateDeclaration::deduceFunctionTemplate (this=0x8210f08,
    sc=0x9206218, loc=..., targsi=0x0, ethis=0x94dd5b0, fargs=0x94dd600,
    flags=0) at template.c:1470
#8  0x080efb8d in CallExp::semantic (this=0x94dd628, sc=0x9206218)
    at expression.c:6929
#9  0x080e4fca in AssignExp::semantic (this=0x8208a98, sc=0x9206218)
    at expression.c:8876
#10 0x08168368 in ExpStatement::semantic (this=0x8208ac0, sc=0x9206218)
    at statement.c:245
#11 0x0816a7a1 in CompoundStatement::semantic (this=0x82091b8, sc=0x9206218)
    at statement.c:464
#12 0x080f871b in FuncDeclaration::semantic3 (this=0x8207350, sc=0x9202ba8)
    at func.c:1213
#13 0x0812c23d in Module::semantic3 (this=0x8206848) at module.c:830
#14 0x0812aafe in main (argc=6, argv=0x81fcde0) at mars.c:1174

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