D issues are now tracked on GitHub. This Bugzilla instance remains as a read-only archive.

Issue 7789

Summary:	[CTFE] null pointer exception on setting array length
Product:	D	Reporter:	Martin Nowak <code>
Component:	dmd	Assignee:	No Owner <nobody>
Status:	RESOLVED FIXED
Severity:	normal	CC:	bugzilla
Priority:	P2
Version:	D2
Hardware:	All
OS:	All

Description Martin Nowak 2012年03月28日 11:22:41 UTC

cat > bug.d << CODE
struct S
{
 size_t foo()
 {
 _ary.length += 1;
 return _ary.length;
 }
 int[] _ary;
}
enum len = S().foo();
CODE
dmd -c bug
--------
Happens only if array is a struct field and when
read-assign on length (pre/post-increment or opAssign).

Comment 1 github-bugzilla 2012年03月28日 16:15:56 UTC

Commits pushed to master at https://github.com/D-Programming-Language/dmd
https://github.com/D-Programming-Language/dmd/commit/e9b87a059a3291927c6d9f65a8c748996e59b01b
Fix issue 7789 [CTFE] null pointer exception on setting array length
https://github.com/D-Programming-Language/dmd/commit/b79b3f8a54daceed0e4c7519d6822a453f2ef7ba
Merge pull request #845 from donc/ctfe7789
Fix issue 7789 [CTFE] null pointer exception on setting array length