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verify.cc (type::compatible): Check initialization status first.

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* verify.cc (type::compatible): Check initialization status
	first.
	* interpret.cc (run) [insn_invokespecial, invokespecial_resolved]:
	Don't use NULLCHECK.

From-SVN: r59494
This commit is contained in:
Tom Tromey 2002-11-26 06:51:14 +00:00 committed by Tom Tromey
parent 32f0ffb380
commit b0fbe966b1
3 changed files with 20 additions and 8 deletions
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7
libjava/ChangeLog
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@ -1,3 +1,10 @@
2002-11-25 Tom Tromey <tromey@redhat.com>
* verify.cc (type::compatible): Check initialization status
first.
* interpret.cc (run) [insn_invokespecial, invokespecial_resolved]:
Don't use NULLCHECK.
2002-11-23 Mark Wielaard <mark@klomp.org>
* javax/naming/AuthenticationException.java: Update copyright header.

10
libjava/interpret.cc
View File

@ -2795,7 +2795,10 @@ _Jv_InterpMethod::run (void *retp, ffi_raw *args)
sp -= rmeth->stack_item_count;
NULLCHECK (sp[0].o);
// We don't use NULLCHECK here because we can't rely on that
// working for <init>. So instead we do an explicit test.
if (! sp[0].o)
throw new java::lang::NullPointerException;
fun = (void (*)()) rmeth->method->ncode;
@ -2813,7 +2816,10 @@ _Jv_InterpMethod::run (void *retp, ffi_raw *args)
{
rmeth = (_Jv_ResolvedMethod *) AVAL ();
sp -= rmeth->stack_item_count;
NULLCHECK (sp[0].o);
// We don't use NULLCHECK here because we can't rely on that
// working for <init>. So instead we do an explicit test.
if (! sp[0].o)
throw new java::lang::NullPointerException;
fun = (void (*)()) rmeth->method->ncode;
}
goto perform_invoke;

11
libjava/verify.cc
View File

@ -458,8 +458,12 @@ private:
if (key < reference_type || k.key < reference_type)
return key == k.key;
// An initialized type and an uninitialized type are not
// compatible.
if (isinitialized () != k.isinitialized ())
return false;
// The `null' type is convertible to any reference type.
// FIXME: is this correct for THIS?
if (key == null_type || k.key == null_type)
return true;
@ -469,11 +473,6 @@ private:
&& data.klass == &java::lang::Object::class$)
return true;
// An initialized type and an uninitialized type are not
// compatible.
if (isinitialized () != k.isinitialized ())
return false;
// Two uninitialized objects are compatible if either:
// * The PCs are identical, or
// * One PC is UNINIT.