http://d.puremagic.com/issues/show_bug.cgi?id=7871
Summary: RangeViolation with findSplitBefore
Product: D
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: regression
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: jmdavisp...@gmx.com
--- Comment #0 from Jonathan M Davis <jmdavisp...@gmx.com> 2012-04-09 01:27:33
PDT ---
This code works with 2.058
import std.algorithm;
void main()
{
enum lineStart = `<bookmark href="https://`;
string line = `<bookmark href="https://stuff";>`;
auto a = findSplitBefore(line[lineStart.length .. $], `"`)[0];
}
But with the latest head, it gives
core.exception.RangeError@q(7): Range violation
----------------
./q(_d_array_bounds+0x2a) [0x43aae6]
./q() [0x4389be]
./q(_Dmain+0x39) [0x4319c9]
./q(extern (C) int rt.dmain2.main(int, char**).void runMain()+0x17) [0x43b2ab]
./q(extern (C) int rt.dmain2.main(int, char**).void tryExec(scope void
delegate())+0x23) [0x43ac2b]
./q(extern (C) int rt.dmain2.main(int, char**).void runAll()+0x3d) [0x43b2f9]
./q(extern (C) int rt.dmain2.main(int, char**).void tryExec(scope void
delegate())+0x23) [0x43ac2b]
./q(main+0xd3) [0x43abc3]
/lib/libc.so.6(__libc_start_main+0xf5) [0x7f907bdb9455]
I'm not sure what's causing the range violation though, since it goes away in
weird ways. If you remove the [0], it works, but if I add this line after it
auto b = a[0];
it works too. If I don't slice line anymore, it also works. If I slice line
like line[0 .. $] or line[$ .. $], it also works, but anything which slices
only part of the string (instead of none of it or all of it) results in it
failing. So, I have absolutely no clue what's going on here, but clearly
something is wrong with the code being generated.
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