digitalmars.D.bugs - IPF on certain invalid code involving a const
- Stewart Gordon (40/40) Sep 19 2005 Using DMD 0.131, Windows 98SE.
- zwang (8/46) Sep 19 2005 Confirmed on Windows XP.
- =?ISO-8859-1?Q?Thomas_K=FChne?= (17/55) Sep 20 2005 -----BEGIN PGP SIGNED MESSAGE-----
Using DMD 0.131, Windows 98SE.
----------
void main() {
const char[] qwert = "\U000579bd";
yuiop(asdfg(qwert));
}
void yuiop(char[] jhkl) {}
----------
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): undefined identifier
asdfg
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function expected
before (), not asdfg of type int
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function ipf1.yuiop
(char[]) does not match argument types (int)
----------
DMD caused an invalid page fault in
module DMD.EXE at 0167:0040e42b.
Registers:
EAX=00000000 CS=0167 EIP=0040e42b EFLGS=00010246
EBX=00886114 SS=016f ESP=0071fa68 EBP=0073b3dc
ECX=000579bd DS=016f ESI=0073b3dc FS=4877
EDX=004cd3d2 ES=016f EDI=0073a248 GS=455e
Bytes at CS:EIP:
66 f7 04 4a 57 01 74 1a ff 74 24 0c 8b ce e8 f6
Stack dump:
00886114 00000000 00000004 000579bd 0040c5ff 0073b3dc 00000000 0073ce4c
00000001 0073b3dc 0073b3dc 00411a36 0073b3dc 0073a248 0073b3dc 00735110
----------
Seems to crash only if the string is declared as const and the
initialiser contains a codepoint beyond U+FFFF, whether notated with \U,
\x or x"...".
Stewart.
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My e-mail is valid but not my primary mailbox. Please keep replies on
the 'group where everyone may benefit.
Sep 19 2005
zwang <nehzgnaw gmail.com>
Confirmed on Windows XP.
Here's a reduced test case:
<code>
void main(char[][] a){
main("\U00010000");
}
</code>
Stewart Gordon wrote:
Using DMD 0.131, Windows 98SE.
----------
void main() {
const char[] qwert = "\U000579bd";
yuiop(asdfg(qwert));
}
void yuiop(char[] jhkl) {}
----------
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): undefined identifier
asdfg
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function expected
before (), not asdfg of type int
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function ipf1.yuiop
(char[]) does not match argument types (int)
----------
DMD caused an invalid page fault in
module DMD.EXE at 0167:0040e42b.
Registers:
EAX=00000000 CS=0167 EIP=0040e42b EFLGS=00010246
EBX=00886114 SS=016f ESP=0071fa68 EBP=0073b3dc
ECX=000579bd DS=016f ESI=0073b3dc FS=4877
EDX=004cd3d2 ES=016f EDI=0073a248 GS=455e
Bytes at CS:EIP:
66 f7 04 4a 57 01 74 1a ff 74 24 0c 8b ce e8 f6
Stack dump:
00886114 00000000 00000004 000579bd 0040c5ff 0073b3dc 00000000 0073ce4c
00000001 0073b3dc 0073b3dc 00411a36 0073b3dc 0073a248 0073b3dc 00735110
----------
Seems to crash only if the string is declared as const and the
initialiser contains a codepoint beyond U+FFFF, whether notated with \U,
\x or x"...".
Stewart.
Sep 19 2005
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Hash: SHA1
Stewart Gordon schrieb:
Using DMD 0.131, Windows 98SE.
----------
void main() {
const char[] qwert = "\U000579bd";
yuiop(asdfg(qwert));
}
void yuiop(char[] jhkl) {}
----------
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): undefined identifier
asdfg
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function expected
before (), not asdfg of type int
D:\My Documents\Programming\D\Tests\bugs\ipf1.d(4): function ipf1.yuiop
(char[]) does not match argument types (int)
----------
DMD caused an invalid page fault in
module DMD.EXE at 0167:0040e42b.
Registers:
EAX=00000000 CS=0167 EIP=0040e42b EFLGS=00010246
EBX=00886114 SS=016f ESP=0071fa68 EBP=0073b3dc
ECX=000579bd DS=016f ESI=0073b3dc FS=4877
EDX=004cd3d2 ES=016f EDI=0073a248 GS=455e
Bytes at CS:EIP:
66 f7 04 4a 57 01 74 1a ff 74 24 0c 8b ce e8 f6
Stack dump:
00886114 00000000 00000004 000579bd 0040c5ff 0073b3dc 00000000 0073ce4c
00000001 0073b3dc 0073b3dc 00411a36 0073b3dc 0073a248 0073b3dc 00735110
----------
Seems to crash only if the string is declared as const and the
initialiser contains a codepoint beyond U+FFFF, whether notated with \U,
\x or x"...".
Stewart.
Added to DStress as
http://dstress.kuehne.cn/nocompile/c/const_24_A.d
http://dstress.kuehne.cn/nocompile/c/const_24_B.d
http://dstress.kuehne.cn/nocompile/c/const_24_C.d
http://dstress.kuehne.cn/nocompile/c/const_24_D.d
http://dstress.kuehne.cn/nocompile/c/const_24_E.d
http://dstress.kuehne.cn/nocompile/c/const_24_F.d
http://dstress.kuehne.cn/nocompile/c/const_24_G.d
Thomas
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Sep 20 2005