digitalmars.D.bugs - [Bug 79] New: Assertion failure: mtype.c 364 - using a forward-referenced alias of an undefined type
- d-bugmail puremagic.com Apr 01 2006
- Thomas Kuehne <thomas-dloop kuehne.cn> Apr 02 2006
- d-bugmail puremagic.com May 14 2006
- d-bugmail puremagic.com May 25 2006
http://d.puremagic.com/bugzilla/show_bug.cgi?id=79 Summary: Assertion failure: mtype.c 364 - using a forward- referenced alias of an undefined type Product: D Version: 0.150 Platform: PC OS/Version: Windows Status: NEW Keywords: ice-on-invalid-code Severity: normal Priority: P2 Component: DMD AssignedTo: bugzilla digitalmars.com ReportedBy: smjg iname.com If I forward-reference a type that is an alias of an undefined symbol, DMD crashes out. ---------- enum : LCTYPE { LOCALE_ILANGUAGE, } alias DWORD LCTYPE; ---------- D:\My Documents\Programming\D\Tests\bugs\winnls.d(1): identifier 'DWORD' is not defined Assertion failure: 't' on line 364 in file 'mtype.c' ---------- after which DMD hangs. It appears to affect all uses of such an alias as a type, as long as the use precedes the alias declaration: - declaring a variable or constant, whether at module, function or class/struct level - declaring a typedef - declaring an alias of the derived pointer or array type - using as a function return type - using as a function parameter --
Apr 01 2006
Thomas Kuehne <thomas-dloop kuehne.cn> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 d-bugmail puremagic.com schrieb am 2006-04-01:If I forward-reference a type that is an alias of an undefined symbol, DMD crashes out. ---------- enum : LCTYPE { LOCALE_ILANGUAGE, } alias DWORD LCTYPE; ---------- D:\My Documents\Programming\D\Tests\bugs\winnls.d(1): identifier 'DWORD' is not defined Assertion failure: 't' on line 364 in file 'mtype.c' ---------- after which DMD hangs.
Doesn't hang on Linux, just asserts: compile/a/alias_33_B.d(13): identifier 'UNDEFINED' is not defined dmd: mtype.c:364: Type* Type::merge(): Assertion `t' failed. Program received signal SIGABRT, Aborted. 0x5566ab81 in kill () from /lib32/libc.so.6 (gdb) bt #0 0x5566ab81 in kill () from /lib32/libc.so.6 #1 0x5566a8f5 in raise () from /lib32/libc.so.6 #2 0x5566bd58 in abort () from /lib32/libc.so.6 #3 0x55663887 in __assert_fail () from /lib32/libc.so.6 #4 0x080c27a0 in Type::merge () #5 0x080c63ce in TypeQualified::resolveHelper () #6 0x080c6803 in TypeIdentifier::resolve () #7 0x080c69a8 in TypeIdentifier::semantic () #8 0x0808524f in VarDeclaration::semantic () #9 0x080c1688 in Module::semantic () #10 0x080bf1b7 in main () Added to DStress as http://dstress.kuehne.cn/nocompile/a/alias_33_A.d http://dstress.kuehne.cn/nocompile/a/alias_33_B.d http://dstress.kuehne.cn/nocompile/a/alias_33_C.d http://dstress.kuehne.cn/nocompile/a/alias_33_D.d http://dstress.kuehne.cn/nocompile/t/typedef_14_A.d http://dstress.kuehne.cn/nocompile/t/typedef_14_B.d http://dstress.kuehne.cn/nocompile/t/typedef_14_C.d http://dstress.kuehne.cn/nocompile/t/typedef_14_D.d Thomas -----BEGIN PGP SIGNATURE----- iD8DBQFEL7zQ3w+/yD4P9tIRAjUjAJwOyFf7QbBGbKCCenaye7MPQ/aGcACfcNWf FQLNSMx+BTm7Zu6bvZ+Dre8= =v2FJ -----END PGP SIGNATURE-----
Apr 02 2006
http://d.puremagic.com/bugzilla/show_bug.cgi?id=79 bugzilla digitalmars.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |WORKSFORME ------- Comment #2 from bugzilla digitalmars.com 2006-05-14 18:40 ------- Cannot duplicate with 0.157. --
May 14 2006
http://d.puremagic.com/bugzilla/show_bug.cgi?id=79 bugzilla digitalmars.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED ------- Comment #3 from bugzilla digitalmars.com 2006-05-25 04:18 ------- Fixed 0.158 --
May 25 2006