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re PR c++/12184 (ICE with trying to convert an incomplete type)

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cp:
	PR c++/12184
	* typeck.c (convert_arguments): Return error_mark_node for an
	incomplete parameter. Make error message more informative.
testsuite:
	PR c++/12184
	* g++.dg/expr/call2.C: New test.

From-SVN: r71402
This commit is contained in:
Nathan Sidwell 2003-09-15 14:48:29 +00:00 • committed by Nathan Sidwell
parent 2352184a1f
commit 3afd2e2007
5 changed files with 39 additions and 8 deletions
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6
gcc/cp/ChangeLog
View file

@ -1,3 +1,9 @@
2003-09-15 Nathan Sidwell <nathan@codesourcery.com>
PR c++/12184
* typeck.c (convert_arguments): Return error_mark_node for an
incomplete parameter. Make error message more informative.
2003-09-12 Mark Mitchell <mark@codesourcery.com>
PR c++/3907

14
gcc/cp/pt.c
View file

@ -5254,12 +5254,14 @@ instantiate_class_template (tree type)
if (TYPE_LANG_SPECIFIC (tag) && CLASSTYPE_IS_TEMPLATE (tag))
/* Unfortunately, lookup_template_class sets
CLASSTYPE_IMPLICIT_INSTANTIATION for a partial
instantiation (i.e., for the type of a member template
class nested within a template class.) This behavior is
required for maybe_process_partial_specialization to work
correctly, but is not accurate in this case; the TAG is not
an instantiation of anything. (The corresponding
TEMPLATE_DECL is an instantiation, but the TYPE is not.) */
instantiation (i.e., for the type of a member
template class nested within a template class.)
This behavior is required for
maybe_process_partial_specialization to work
correctly, but is not accurate in this case;
the TAG is not an instantiation of anything.
(The corresponding TEMPLATE_DECL is an
instantiation, but the TYPE is not.) */
CLASSTYPE_USE_TEMPLATE (newtag) = 0;
/* Now, we call pushtag to put this NEWTAG into the scope of

8
gcc/cp/typeck.c
View file

@ -2532,8 +2532,12 @@ convert_arguments (tree typelist, tree values, tree fndecl, int flags)
if (!COMPLETE_TYPE_P (complete_type (type)))
{
error ("parameter type of called function is incomplete");
parmval = val;
if (fndecl)
error ("parameter %P of `%D' has incomplete type `%T'",
i, fndecl, type);
else
error ("parameter %P has incomplete type `%T'", i, type);
parmval = error_mark_node;
}
else
{

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2003-09-15 Nathan Sidwell <nathan@codesourcery.com>
PR c++/12184
* g++.dg/expr/call2.C: New test.
2003-09-15 Andreas Jaeger <aj@suse.de>
* gcc.dg/Wold-style-definition-1.c: New test.

14
gcc/testsuite/g++.dg/expr/call2.C Normal file
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@ -0,0 +1,14 @@
// { dg-do compile }
// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 11 Sep 2003 <nathan@codesourcery.com>
// Origin: Wolfgang Bangerth <bangerth@dealii.org>
// PR c++/12184. ICE
class C;
class D;
bool mm(D);
void g(C& f) {
mm(f); // { dg-error "parameter" "" }
}