[Issue 23327] New: [ICE] SEGV in AssocArray!(Identifier, Dsymbol).AssocArray.opIndex(const(Identifier)) at src/dmd/root/aav.d:313

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23327

          Issue ID: 23327
           Summary: [ICE] SEGV in AssocArray!(Identifier,
                    Dsymbol).AssocArray.opIndex(const(Identifier)) at
                    src/dmd/root/aav.d:313
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: ibuclaw at gdcproject.org

Only need two files to reproduce, including third so this can just be
copy-pasted into the testsuite as-is (replace NNNNN with the issue number of
this report).

testNNNNN.d
---
import imports.formatNNNNN;
---

imports/formatNNNNN.d
---
module imports.formatNNNNN;
import imports.formatNNNNN.write;
immutable(string) formatNNNNN() { }
import imports.formatNNNNN.internal.write;
---

imports/formatNNNNN/write.d
---
// empty file
---


(gdb) bt
#0  0x0000555555ac3fec in dmd.root.aav.AssocArray!(dmd.identifier.Identifier,
dmd.dsymbol.Dsymbol).AssocArray.opIndex(const(dmd.identifier.Identifier))
(this=..., key=0x7ffff7ba3a80)
    at src/dmd/root/aav.d:313
#1  0x000055555593e180 in DsymbolTable::lookup(Identifier const*) (this=0x0,
ident=0x7ffff7ba3a80)
    at src/dmd/dsymbol.d:2350
#2  0x0000555555901bea in
dmd.dimport.Import.addPackageAccess(dmd.dsymbol.ScopeDsymbol) (
    this=0x7ffff72bf020, scopesym=0x7ffff72be6e0) at src/dmd/dimport.d:268
#3  0x0000555555901b1a in Import::importAll(Scope*) (this=0x7ffff72bf020,
sc=0x7ffff72bf320)
    at src/dmd/dimport.d:249
#4  0x0000555555920817 in Module::importAll(Scope*) (this=0x7ffff72be6e0,
prevsc=0x0)
    at src/dmd/dmodule.d:1187
#5  0x0000555555901a5f in Import::importAll(Scope*) (this=0x7ffff7b73910,
sc=0x7ffff7b73c10)
    at src/dmd/dimport.d:240
#6  0x0000555555920817 in Module::importAll(Scope*) (this=0x7ffff7b73600,
prevsc=0x0)
    at src/dmd/dmodule.d:1187
#7  0x00005555558a8637 in dmd.mars.tryMain(ulong, const(char)**, ref
dmd.globals.Param) (params=...,
    argv=0x7fffffffdbf8, argc=2) at src/dmd/mars.d:428
#8  0x00005555558aa4f2 in D main (_param_0=...) at src/dmd/mars.d:960

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