From fcf750eec2b7e0d938300820a1605501d4b5cfb1 Mon Sep 17 00:00:00 2001
From: Adam Nemet <anemet@lnxw.com>
Date: Thu, 28 Oct 2004 19:31:25 +0000
Subject: [PATCH] re PR middle-end/18160 (ICE on taking register variable
 address)

	PR middle-end/18160
	* gcc.dg/register-var-1.c: New test.
	* gcc.dg/register-var-2.c: New test.
	* gcc.dg/asm-7.c: Taking the address of a register variable is an
	error now.

From-SVN: r89773
---
 gcc/testsuite/ChangeLog               |  8 ++++++++
 gcc/testsuite/gcc.dg/asm-7.c          |  4 ++--
 gcc/testsuite/gcc.dg/register-var-1.c | 14 ++++++++++++++
 gcc/testsuite/gcc.dg/register-var-2.c | 14 ++++++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 gcc/testsuite/gcc.dg/register-var-1.c
 create mode 100644 gcc/testsuite/gcc.dg/register-var-2.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 32e1b08078c..7b1378a661b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2004-10-28  Adam Nemet  <anemet@lnxw.com>
+
+	PR middle-end/18160  
+	* gcc.dg/register-var-1.c: New test.
+	* gcc.dg/register-var-2.c: New test.
+	* gcc.dg/asm-7.c: Taking the address of a register variable is an
+	error now.
+
 2004-10-28  Dorit Naishlos <dorit@il.ibm.com>
 
 	PR other/18172
diff --git a/gcc/testsuite/gcc.dg/asm-7.c b/gcc/testsuite/gcc.dg/asm-7.c
index a14bb807369..65b0353fe46 100644
--- a/gcc/testsuite/gcc.dg/asm-7.c
+++ b/gcc/testsuite/gcc.dg/asm-7.c
@@ -9,7 +9,7 @@ void test(void)
   static int m;
   int *p;
 
-  __asm__ ("" : : "m"(r));	/* { dg-warning "address of register" } */
+  __asm__ ("" : : "m"(r));	/* { dg-error "" } */
   __asm__ ("" : : "m"(i));
   __asm__ ("" : : "m"(m));
   __asm__ ("" : : "m"(0));	/* { dg-error "" } */
@@ -22,7 +22,7 @@ void test(void)
   __asm__ ("" : : "g"(0));
   __asm__ ("" : : "g"(i+1));
 
-  __asm__ ("" : "=m"(r2));	/* { dg-warning "address of register" } */
+  __asm__ ("" : "=m"(r2));	/* { dg-error "" } */
   __asm__ ("" : "=m"(i));
   __asm__ ("" : "=m"(m));
 }
diff --git a/gcc/testsuite/gcc.dg/register-var-1.c b/gcc/testsuite/gcc.dg/register-var-1.c
new file mode 100644
index 00000000000..6869b034dcf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/register-var-1.c
@@ -0,0 +1,14 @@
+/* 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 register variable" } */
+} 
diff --git a/gcc/testsuite/gcc.dg/register-var-2.c b/gcc/testsuite/gcc.dg/register-var-2.c
new file mode 100644
index 00000000000..585dfe2bb62
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/register-var-2.c
@@ -0,0 +1,14 @@
+/* PR/18160 */
+
+/* { dg-do compile } */
+
+/* This should yield an error even without -pedantic.  */
+/* { dg-options "-ansi" } */
+
+void g(int *);
+
+void f(void) 
+{ 
+  register int x;
+  g(&x);	/* { dg-error "error: address of register variable" } */
+}