[Issue 6790] New: buildPath using std.path.curdir segfaults

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6790

           Summary: buildPath using std.path.curdir segfaults
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: jonathansternberg at gmail.com


--- Comment #0 from Jonathan Sternberg <jonathansternberg at gmail.com> 2011-10-07 21:37:46 PDT ---
I am using the dmd compiler and phobos library at version 2.055. This is on
Linux Mint 11 with x86 architecture. To repeat the bug is a bit weird. It seems
to only happen when using std.path.curdir, and only when not in the main
module. The following will NOT produce the error:

import std.path; import std.stdio;
int main() {
writeln(buildPath(curdir, "a.out"));
return 0;
}

This WILL produce the error:

-- main.d
static import foobar;
int main() {
foobar.crash();
return 0;
}

-- foobar.d
module foobar;
import std.path; import std.stdio;
void crash() {
writeln(buildPath(curdir, "a.out"));
}

Compiling and running this results in a segfault. No idea why.

Workaround that seems to work is to use std.path.curdir.idup instead.

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