$ cat test.d                                                          1
import std.stdio;

int g(int i) {
    auto l = [1, 2, 3, 4];
    return l[i];
}

void f(int i) {
    writeln(g(i));
}

void main(string[] args) {
    f(1);
    f(10);
    f(2);
}
$ dmd -gc test.d
$ gdb ./test
GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug  8 20:32:45 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries .. done

(gdb) l
1	import std.stdio;
2
3	int g(int i) {
4	    auto l = [1, 2, 3, 4];
5	    return l[i];
6	}
7
8	void f(int i) {
9	    writeln(g(i));
10	}
(gdb) l
11
12	void main(string[] args) {
13	    f(1);
14	    f(10);
15	    f(2);
16	}
(gdb) b 14
No line 14 in file "test.d".
(gdb) run
Starting program: /private/tmp/test
Reading symbols for shared libraries +........................ done
2
core.exception.RangeError@test(5): Range violation
----------------
5   test                                0x0001023a _d_array_bounds + 30
6   test                                0x00002413 D4test7__arrayZ + 35
7   test                                0x0000247d int test.g(int) + 101
8   test                                0x0000249d void test.f(int) + 17
9   test                                0x000023e2 _Dmain + 26
10  test                                0x000107b3 extern (C) int rt.dmain2.main(int, char**).void runMain() + 23
11  test                                0x0001035d extern (C) int rt.dmain2.main(int, char**).void tryExec(scope void delegate()) + 29
12  test                                0x00010800 extern (C) int rt.dmain2.main(int, char**).void runAll() + 64
13  test                                0x0001035d extern (C) int rt.dmain2.main(int, char**).void tryExec(scope void delegate()) + 29
14  test                                0x000102f7 main + 179
15  test                                0x000023bd start + 53
16  ???                                 0x00000001 0x0 + 1
----------------

Program exited with code 01.