backtrace of Tcl_GetNameOfExecutable without init

/*
test.c:

#include <tcl.h>
#include <stdio.h>

int main(int argc, char **argv)
{
	const char * name;
	/* Tcl_FindExecutable((char*) argv[0]); */
	name = Tcl_GetNameOfExecutable();
	fprintf(stdout, "Hello World\n");
	if (name != NULL) {
		fprintf(stdout, "The tcl executable is %s\n", name);
	} else {
		fprintf(stdout, "The tcl executable is null\n");
	}
	return 0;
}
compiled with gcc -W -Wall -ggdb -o test test.c -ltcl8.5
*/

(gdb) bt full
#0  0x00000000 in ?? ()
No symbol table info available.
#1  0xb7f83f84 in ThreadStorageGetHashTable (id=0xb7d178d0) at /usr/src/tcl8.5.8/unix/../generic/tclThreadStorage.c:212
        index = 38
        hPtr = 0xbffff698
        isNew = -1209838851
        hashTablePtr = 0x0
#2  0xb7f840d4 in TclpThreadDataKeyGet (keyPtr=0xb7fc4e18) at /usr/src/tcl8.5.8/unix/../generic/tclThreadStorage.c:336
        hashTablePtr = 0x1
        hPtr = 0x0
#3  0xb7f824f1 in Tcl_GetThreadData (keyPtr=0xb7fc4e18, size=4) at /usr/src/tcl8.5.8/unix/../generic/tclThread.c:87
        result = 0xb7f824d4
#4  0xb7f8e544 in GetThreadHash (keyPtr=0xb7fc4e18) at /usr/src/tcl8.5.8/unix/../generic/tclUtil.c:2888
        tablePtrPtr = 0x0
#5  0xb7f8e902 in TclGetProcessGlobalValue (pgvPtr=0xb7fc4e00) at /usr/src/tcl8.5.8/unix/../generic/tclUtil.c:3065
        value = 0x0
        cacheMap = 0x1
        hPtr = 0xb7ea9fb0
        epoch = 0
#6  0xb7f8ea77 in TclGetObjNameOfExecutable () at /usr/src/tcl8.5.8/unix/../generic/tclUtil.c:3156
No locals.
#7  0xb7f8ea94 in Tcl_GetNameOfExecutable () at /usr/src/tcl8.5.8/unix/../generic/tclUtil.c:3185
        numBytes = 1
        bytes = 0xb7f8ea7d "U\211\345S\203\354$\350.\237\362\377\201\303s\335\002"
#8  0x08048562 in main (argc=1, argv=0xbffffa34) at test.c:8
        name = 0xb7e9eff4 "|-\024"