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re PR c++/35321 (ICE with invalid use of __builtin_offsetof) 

2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/35321
	* c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.

/testsuite
2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/35321
	* g++.dg/parse/offsetof8.C: New.

From-SVN: r139628
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Paolo Carlini 2008-08-27 17:08:40 +00:00 committed by Paolo Carlini
parent a822144001
commit 8d5f60ac74
4 changed files with 27 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-08-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/35321
* c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
2008-08-27 Paul Brook <paul@codesourcery.com> 2008-08-27 Paul Brook <paul@codesourcery.com>
* config.gcc: Loosen checks for arm uclinux eabi targets. * config.gcc: Loosen checks for arm uclinux eabi targets.

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gcc/c-common.c
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@ -7685,6 +7685,7 @@ fold_offsetof_1 (tree expr, tree stop_ref)
return error_mark_node; return error_mark_node;
case CALL_EXPR: case CALL_EXPR:
case TARGET_EXPR:
error ("cannot apply %<offsetof%> when %<operator[]%> is overloaded"); error ("cannot apply %<offsetof%> when %<operator[]%> is overloaded");
return error_mark_node; return error_mark_node;

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gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-08-27 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/35321
* g++.dg/parse/offsetof8.C: New.
2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org> 2008-08-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR c++/17880 PR c++/17880

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gcc/testsuite/g++.dg/parse/offsetof8.C Normal file
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@ -0,0 +1,16 @@
// PR c++/35321
struct A
{
A operator[] (int);
};
struct B
{
A a;
};
void foo()
{
__builtin_offsetof(B, a[0]); /* { dg-error "error: cannot apply 'offsetof' when 'operator\\\[\\\]' is overloaded" } */
}