Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!cernvax!tbl
From: tbl@cernvax.UUCP (Tim Berners-Lee)
Newsgroups: gnu.gcc.bug
Subject: Under VAX/VMS bug in gas adding extern refs
Message-ID: <1168@cernvax.UUCP>
Date: 1 Dec 89 15:26:57 GMT
Reply-To: tbl@cernvax.UUCP (Tim Berners-Lee)
Distribution: gnu
Organization: CERN European Laboratory for Particle Physics, CH-1211 Geneva, Switzerland
Lines: 38

/*  The following bug shows up under VAX/VMS in GAS, the gnu assembler.
**  (Release of GCC = 1.35 or 1.36).  The error message produced is:
**
**
**      FATAL:Case value 6 unexpected at line 659 of file "vax.c"
**
**  Replacing the + below with a - avoids the problem.
**
*/

main() { extern int x, y;    exit((int)&x + (int)&y); }

/* (A strange thing to want to do, I agree!) */

/*_______________________________________________________________

  The assembler generated is as follows:

		#NO_APP
		gcc_compiled.:
		.comm _x,0
		.comm _y,0
		.text
			.align 1
		.globl _main
		_main:
			.word 0x0
			jsb _c$main_args
			movab _x+_y,r0
			movl r0,_z
			ret
		.comm _z,4

_______________________________________________________________________
Tim Berners-Lee
CERN (European Particle Physics Laboratory), 1211 Geneva 23, Switzerland
tim@online.cern.ch
*/