713 – circular const definitions with module operator "." cause the compiler to segfault

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Issue 713 - circular const definitions with module operator "." cause the compiler to segfault

Summary: circular const definitions with module operator "." cause the compiler to seg...

Status:	RESOLVED FIXED
Alias:	None
Product:	D
Classification:	Unclassified
Component:	dmd (show other issues)
Version:	D1 (retired)
Hardware:	x86 Linux
Importance :	P2 normal
Assignee:	Walter Bright
URL:
Keywords:	ice-on-invalid-code
Depends on:
Blocks:

See Also:
Reported:	2006年12月22日 07:22 UTC by Thomas Kühne
Modified:	2014年02月15日 13:19 UTC (History)
CC List:	2 users (show)

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Description Thomas Kühne 2006年12月22日 07:22:24 UTC

(Originally posted by Wang Zhen <nehzgnaw@gmail.com> on 2006年02月17日
as news:dt4ahd2ドルikp2ドル@digitaldaemon.com)
segfaults:
#
# const int a = .b;
# const int b = a;
#
#
# const int a = b;
# const int b = .a;
#
doesn't segfault:
#
# const int a = .b;
# const int b = .a;
#
#
# const int a = b;
# const int b = a;
#
test cases:
http://dstress.kuehne.cn/nocompile/c/const_32_A.d
http://dstress.kuehne.cn/nocompile/c/const_32_B.d
http://dstress.kuehne.cn/nocompile/c/const_32_C.d
http://dstress.kuehne.cn/nocompile/c/const_32_D.d

Comment 1 Don 2009年04月02日 15:03:41 UTC

On D1, this now generates a "Stack overflow".
On D2, the equivalent code:
enum int a = .b;
enum int b = a;
hangs.

Comment 2 Don 2009年05月14日 04:56:00 UTC

Fixed DMD2.030 and 1.045