http://d.puremagic.com/issues/show_bug.cgi?id=6111
Summary: Escaping reference to local variable not detected
Product: D
Version: D2
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Walter Bright <[email protected]> 2011-06-05
19:45:21 PDT ---
import std.algorithm, std.stdio;
auto mymap()
{
int x = 42;
int fun(int a) { return x + a; }
return map!fun([1, 2, 3, 4, 5]);
}
void main()
{
writeln(mymap());
}
This should print [43, 44, 45, 46, 47], but prints garbage because x should be
allocated on the heap rather than the stack. The compiler needs to be better at
detecting local escapes.
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