1524 – ICE(constfold.c) on using "is" with strings in CTFE

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Issue 1524 - ICE(constfold.c) on using "is" with strings in CTFE

Summary: ICE(constfold.c) on using "is" with strings in CTFE

Status:	RESOLVED FIXED
Alias:	None
Product:	D
Classification:	Unclassified
Component:	dmd (show other issues)
Version:	D1 (retired)
Hardware:	x86 Windows
Importance :	P2 minor
Assignee:	Walter Bright
URL:
Keywords:	ice-on-valid-code, patch, rejects-valid
Depends on:
Blocks:

See Also:
Reported:	2007年09月22日 06:22 UTC by Vladimir Panteleev
Modified:	2014年02月17日 22:51 UTC (History)
CC List:	1 user (show)

Attachments
Patch against DMD2.029 (460 bytes, patch) 2009年05月05日 02:09 UTC, Don	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

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Description Vladimir Panteleev 2007年09月22日 06:22:41 UTC

-----
bool isNull(char[] str)
{
	return str is null;
}
const bool test = isNull("hello!");
-----
Output:
> Assertion failure: '0' on line 838 in file 'constfold.c'
> 
> abnormal program termination
Replacing "is" with "==" fixes it.

Comment 1 Don 2009年05月05日 02:09:03 UTC

Created attachment 351 [details] 
Patch against DMD2.029
Another trivial one. The case where only one parameter was null had been forgotten.

Comment 2 Walter Bright 2009年07月09日 02:46:02 UTC

Fixed dmd 1.046 and 2.031