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From: "d.g.gorbachev at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/56167] New: ICE with invalid __attribute__ arguments
Date: Fri, 01 Feb 2013 01:50:00 -0000 [thread overview]
Message-ID: <bug-56167-4@http.gcc.gnu.org/bugzilla/> (raw)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56167
Bug #: 56167
Summary: ICE with invalid __attribute__ arguments
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: d.g.gorbachev@gmail.com
$ cat > bug.c
extern void foo(void) __attribute__((target(0)));
int main(void)
{
foo();
return 0;
}
^D
$ gcc -S bug.c
bug.c:1:1: internal compiler error: in ix86_valid_target_attribute_inner_p, at
config/i386/i386.c:4226
extern void foo(void) __attribute__((target(0)));
^
[...]
$ sed -i s/target/error/ bug.c
$ gcc -S bug.c
bug.c: In function 'main':
bug.c:5:6: internal compiler error: tree check: expected string_cst, have
integer_cst in expand_expr_real_1, at expr.c:10191
foo();
^
[...]
$ sed -i s/error/warning/ bug.c
$ gcc -S bug.c
bug.c: In function 'main':
bug.c:5:6: internal compiler error: tree check: expected string_cst, have
integer_cst in expand_expr_real_1, at expr.c:10198
foo();
^
[...]
A few other __attribute__ bugs:
$ sed -i s/warning/weakref/ bug.c
$ gcc -S bug.c
bug.c:1:1: error: attribute 'alias' argument not a string
extern void foo(void) __attribute__((weakref(0)));
^
bug.c:1:13: warning: 'weakref' attribute should be accompanied with an 'alias'
attribute [-Wattributes]
extern void foo(void) __attribute__((weakref(0)));
^
$ sed -i s/weakref/section/ bug.c
$ gcc -S bug.c
bug.c:1:13: error: section attribute not allowed for 'foo'
extern void foo(void) __attribute__((section(0)));
^
$ echo 'void *foo(int) __attribute__((alloc_size("1")));' > 1.c
$ gcc -S 1.c
1.c:1:1: warning: alloc_size parameter outside range [-Wattributes]
void *foo(int) __attribute__((alloc_size("1")));
^
next reply other threads:[~2013-02-01 1:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-01 1:50 d.g.gorbachev at gmail dot com [this message]
2013-02-01 7:43 ` [Bug middle-end/56167] " jakub at gcc dot gnu.org
2013-02-01 7:52 ` jakub at gcc dot gnu.org
2013-02-01 7:55 ` jakub at gcc dot gnu.org
2013-02-01 16:22 ` d.g.gorbachev at gmail dot com
2013-02-05 8:08 ` jakub at gcc dot gnu.org
2013-02-05 8:11 ` jakub at gcc dot gnu.org
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