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re PR c++/38725 (ICE with goto)

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PR c++/38725
	* semantics.c (finish_goto_stmt): Convert destination to
	void *.

	* g++.dg/ext/label11.C: New test.

From-SVN: r143177
This commit is contained in:
Jakub Jelinek 2009-01-08 01:23:48 +01:00 committed by Jakub Jelinek
parent 78415d7d4c
commit f5651df1ab
4 changed files with 63 additions and 1 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2009-01-07 Jakub Jelinek <jakub@redhat.com>
PR c++/38725
* semantics.c (finish_goto_stmt): Convert destination to
void *.
2009-01-06 Jason Merrill <jason@redhat.com>
PR c++/35297

7
gcc/cp/semantics.c
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@ -547,7 +547,12 @@ finish_goto_stmt (tree destination)
{
/* The DESTINATION is being used as an rvalue. */
if (!processing_template_decl)
destination = decay_conversion (destination);
{
destination = decay_conversion (destination);
destination = cp_convert (ptr_type_node, destination);
if (error_operand_p (destination))
return NULL_TREE;
}
/* We don't inline calls to functions with computed gotos.
Those functions are typically up to some funny business,
and may be depending on the labels being at particular

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2009-01-07 Jakub Jelinek <jakub@redhat.com>
PR c++/38725
* g++.dg/ext/label11.C: New test.
2009-01-07 Joseph Myers <joseph@codesourcery.com>
* lib/target-supports.exp (check_weak_override_available): New.

46
gcc/testsuite/g++.dg/ext/label11.C Normal file
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@ -0,0 +1,46 @@
// PR c++/38725
// { dg-do compile }
// { dg-options "" }
struct A {};
struct B : virtual A {};
int vi;
void *vp;
void
f1 (int i)
{
goto *i;
}
void
f2 (B b)
{
goto *b; // { dg-error "cannot convert" }
}
template <typename T>
void
f3 (T i)
{
goto *i;
}
void
f3a ()
{
f3 (vi);
}
template <typename T>
void
f4 (T i)
{
goto *i;
}
void
f4a ()
{
f4 (vp);
}