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Date: Tue, 25 Jun 2002 17:42:00 -0000
From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: gcc-gnats@gcc.gnu.org
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Subject: c/7128: Undeclared variables as asm argument cause ICE
X-SW-Source: 2002-06/txt/msg00617.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         7128
>Category:       c
>Synopsis:       Undeclared variables as asm argument cause ICE
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-illegal-code
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 25 16:46:09 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Falk Hueffner
>Release:        3.2 20020607 (experimental)
>Organization:
>Environment:
System: Linux borkum 2.4.18 #6 Wed Apr 24 22:18:43 CEST 2002 alpha unknown
Architecture: alpha

	
host: alphapca56-unknown-linux-gnu
build: alphapca56-unknown-linux-gnu
target: alphapca56-unknown-linux-gnu
configured with: ../configure --enable-languages=c
>Description:
Undeclared variables as asm argument cause ICE.
>How-To-Repeat:
% cat bug.c 
void foo() {
    asm ("foo %0" : "=r" (r));
}

% gcc -c bug.c 
bug.c: In function `foo':
bug.c:2: Error: `r' undeclared (first use in this function)
bug.c:2: Error: (Each undeclared identifier is reported only once
bug.c:2: Error: for each function it appears in.)
bug.c:2: Internal compiler error: tree check: expected class 't', have 'x' (error_mark) in c_expand_asm_operands, at c-typeck.c:6977
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.

>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted: