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August 26, 2010 [Issue 4728] New: Crash by protected/private constructor in an other module | ||||
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http://d.puremagic.com/issues/show_bug.cgi?id=4728 Summary: Crash by protected/private constructor in an other module Product: D Version: D2 Platform: Other OS/Version: Windows Status: NEW Keywords: ice-on-invalid-code Severity: normal Priority: P2 Component: DMD AssignedTo: nobody@puremagic.com ReportedBy: rayerd.wiz@gmail.com --- Comment #0 from Haruki Shigemori <rayerd.wiz@gmail.com> 2010-08-26 00:45:57 PDT --- // a.d import b; void main() { new A(); } // b.d class A { protected this(){} } When these source codes are compiled with dmd trunk r628, dmd outputs a correct error message and crashes. >dmd a b a.d(4): Error: class b.A member this is not accessible <-- crash!! The cause of the crash is an access to the null pointer as shown below. // toctype.c ... type *TypeFunction::toCtype() { type *t; if (ctype) return ctype; if (1) { param_t *paramtypes; tym_t tyf; type *tp; paramtypes = NULL; size_t nparams = Parameter::dim(parameters); for (size_t i = 0; i < nparams; i++) { Parameter *arg = Parameter::getNth(parameters, i); tp = arg->type->toCtype(); if (arg->storageClass & (STCout | STCref)) { // C doesn't have reference types, so it's really a pointer // to the parameter type tp = type_allocn(TYref, tp); } param_append_type(¶mtypes,tp); } tyf = totym(); t = type_alloc(tyf); t->Tflags |= TFprototype; if (varargs != 1) t->Tflags |= TFfixed; ctype = t; t->Tnext = next->toCtype(); // <<<<<<<<<<<<<<<< next is null t->Tnext->Tcount++; t->Tparamtypes = paramtypes; } ctype = t; return t; } ... -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
October 05, 2010 [Issue 4728] Crash by protected/private constructor in an other module | ||||
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Posted in reply to Haruki Shigemori | http://d.puremagic.com/issues/show_bug.cgi?id=4728 Don <clugdbug@yahoo.com.au> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |clugdbug@yahoo.com.au --- Comment #1 from Don <clugdbug@yahoo.com.au> 2010-10-05 14:04:32 PDT --- I cannot reproduce this. For me on Windows, it prints the error message, but does not crash. Perhaps the test case is slightly wrong? -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
October 09, 2010 [Issue 4728] Crash by protected/private constructor in an other module | ||||
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Posted in reply to Haruki Shigemori | http://d.puremagic.com/issues/show_bug.cgi?id=4728 --- Comment #2 from Haruki Shigemori <rayerd.wiz@gmail.com> 2010-10-09 09:32:48 PDT --- (In reply to comment #1) > I cannot reproduce this. For me on Windows, it prints the error message, but does not crash. Perhaps the test case is slightly wrong? Oh really? Now, I performed it with dmd r712, druntime r398, and phobos r2092. dmd crashed again within an error message. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
November 03, 2010 [Issue 4728] Segfault(toctype.c) by protected/private constructor in an other module | ||||
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Posted in reply to Haruki Shigemori | http://d.puremagic.com/issues/show_bug.cgi?id=4728 Don <clugdbug@yahoo.com.au> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch --- Comment #3 from Don <clugdbug@yahoo.com.au> 2010-11-03 14:32:40 PDT --- This is a silly one! This only appears in debug mode, it because Walter accidentally left a call to "halt()". access.c, line 256. This ICE can never occur in a release version of the compiler. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
November 12, 2010 [Issue 4728] Segfault(toctype.c) by protected/private constructor in an other module | ||||
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Posted in reply to Haruki Shigemori | http://d.puremagic.com/issues/show_bug.cgi?id=4728 Walter Bright <bugzilla@digitalmars.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |bugzilla@digitalmars.com Resolution| |FIXED --- Comment #4 from Walter Bright <bugzilla@digitalmars.com> 2010-11-11 19:26:20 PST --- http://www.dsource.org/projects/dmd/changeset/751 -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- |
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