http://d.puremagic.com/issues/show_bug.cgi?id=7859
Summary: Crash on invalid alias template parameter type Product: D Version: D2 Platform: All OS/Version: All Status: NEW Severity: regression Priority: P2 Component: DMD AssignedTo: nob...@puremagic.com ReportedBy: c...@klickverbot.at --- Comment #0 from klickverbot <c...@klickverbot.at> 2012-04-08 11:59:45 PDT --- Consider the following (invalid) snippet: --- template A(alias B) {} mixin template C(alias B = cast(NonExistent)null) { alias A!B D; } mixin C!(); --- DMD 2.058 just gave an error message, DMD 2.059 Git (5e7362a) prints the error message as well, but then crashes: --- (gdb) r test.d(3): Error: undefined identifier NonExistent Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000 0x00007fff83eb04f0 in strlen () (gdb) bt #0 0x00007fff83eb04f0 in strlen () #1 0x00000001001a76d8 in OutBuffer::writestring (this=0x7fff5fbfef18, string=0x0) at root.c:1603 #2 0x00000001001d7b3a in TemplateInstance::genIdent (this=0x100580160, args=0x100580260) at template.c:5401 #3 0x00000001001e55c5 in TemplateInstance::semantic (this=0x100580160, sc=0x100580be0, fargs=0x0) at template.c:4585 #4 0x00000001001d42c7 in TemplateInstance::semantic (this=0x100580160, sc=0x100580be0) at template.c:4323 #5 0x0000000100170519 in TypeInstance::resolve (this=0x100580340, loc={filename = 0x10051d470 "test.d", linnum = 4}, sc=0x100580be0, pe=0x7fff5fbff248, pt=0x7fff5fbff250, ps=0x7fff5fbff240) at mtype.c:6693 #6 0x0000000100170479 in TypeInstance::toDsymbol (this=0x100580340, sc=0x100580be0) at mtype.c:6748 #7 0x0000000100089b0d in AliasDeclaration::semantic (this=0x1005803f0, sc=0x100580be0) at declaration.c:461 #8 0x00000001001d5639 in TemplateMixin::semantic (this=0x10051dfa0, sc=0x10051e280) at template.c:6112 #9 0x0000000100155667 in Module::semantic (this=0x10051d260) at module.c:806 #10 0x0000000100152da9 in tryMain (argc=5, argv=0x100514180) at mars.c:1287 #11 0x0000000100153837 in main (argc=2, argv=0x7fff5fbffb50) at mars.c:1476 --- -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------