https://d.puremagic.com/issues/show_bug.cgi?id=12013
Summary: static array of chars implicitly converts to string
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: accepts-invalid
Severity: normal
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Adam D. Ruppe <[email protected]> 2014-01-27
13:03:36 PST ---
// note: this is NOT pure, so it isn't the pure != unique bug
char[8] test() {
char[8] tmp;
tmp[0 .. 8] = "deadbeef"; // fill it with something printable
return tmp;
}
string wtf() {
return test(); // this isn't sane!
}
void main() {
string a = wtf();
assert(0, a); // prints garbage; it points to reused stack data
}
This also affects Phobos std.digest, which returns a static array of chars with
toHexString.
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