re PR middle-end/18160 (ICE on taking register variable address)

	PR middle-end/18160
	* g++.dg/warn/register-var-1.C: New test.
	* g++.dg/warn/register-var-2.C: New test.

From-SVN: r90453

gcc/testsuite/ChangeLog

+2004-11-10  Adam Nemet  <anemet@lnxw.com>
+
+	PR middle-end/18160  
+	* g++.dg/warn/register-var-1.C: New test.
+	* g++.dg/warn/register-var-2.C: New test.
+
 2004-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
 
 	* gcc.dg/union-2.c: New test.

gcc/testsuite/g++.dg/warn/register-var-1.C

+/* PR/18160 */
+
+/* { dg-do compile { target i?86-*-* } } */
+
+/* This should yield an error even without -pedantic.  */
+/* { dg-options "-ansi" } */
+
+void g(int *);
+
+void f(void) 
+{ 
+  register int x __asm ("eax");
+  g(&x);	/* { dg-error "error: address of explicit register variable" } */
+} 

gcc/testsuite/g++.dg/warn/register-var-2.C

+/* PR/18160 */
+
+/* { dg-do compile } */
+
+/* This should yield an error even without -pedantic.  */
+/* { dg-options "-Wall -W" } */
+
+void g(int *);
+
+void f(void) 
+{ 
+  register int x;
+  g(&x); /* { dg-warning "address requested for 'x', which is declared 'register'" } */
+}