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re PR c++/21514 ([DR 488] templates and anonymous enum)

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PR c++/21514
	* pt.c (check_instantiated_args): Treat uses of anonymous types as
	causing type-deduction failure.

	PR c++/21514
	* g++.dg/template/crash19.C: Remove dg-error marker.
	* g++.dg/template/local4.C: New test.

From-SVN: r104344
This commit is contained in:
Mark Mitchell 2005-09-16 15:41:45 +00:00 committed by Mark Mitchell
parent 6a4e47783a
commit 2010cdcdd7
5 changed files with 24 additions and 12 deletions
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6
gcc/cp/ChangeLog
View File

@ -1,3 +1,9 @@
2005-09-16 Mark Mitchell <mark@codesourcery.com>
PR c++/21514
* pt.c (check_instantiated_args): Treat uses of anonymous types as
causing type-deduction failure.
2005-09-15 Jason Merrill <jason@redhat.com>
PR c++/23357

17
gcc/cp/pt.c
View File

@ -8967,7 +8967,6 @@ check_instantiated_args (tree tmpl, tree args, tsubst_flags_t complain)
{
int ix, len = DECL_NTPARMS (tmpl);
bool result = false;
bool error_p = complain & tf_error;
for (ix = 0; ix != len; ix++)
{
@ -8984,12 +8983,16 @@ check_instantiated_args (tree tmpl, tree args, tsubst_flags_t complain)
if (nt)
{
if (TYPE_ANONYMOUS_P (nt))
error ("%qT is/uses anonymous type", t);
else
error ("%qT uses local type %qT", t, nt);
/* DR 488 makes use of a type with no linkage causes
type deduction to fail. */
if (complain & tf_error)
{
if (TYPE_ANONYMOUS_P (nt))
error ("%qT is/uses anonymous type", t);
else
error ("%qT uses local type %qT", t, nt);
}
result = true;
error_p = true;
}
/* In order to avoid all sorts of complications, we do not
allow variably-modified types as template arguments. */
@ -9011,7 +9014,7 @@ check_instantiated_args (tree tmpl, tree args, tsubst_flags_t complain)
result = true;
}
}
if (result && error_p)
if (result && (complain & tf_error))
error (" trying to instantiate %qD", tmpl);
return result;
}

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2005-09-16 Mark Mitchell <mark@codesourcery.com>
PR c++/21514
* g++.dg/template/crash19.C: Remove dg-error marker.
* g++.dg/template/local4.C: New test.
2005-09-16 Paul Brook <paul@codesourcery.com>
PR fortran/23906

2
gcc/testsuite/g++.dg/template/crash19.C
View File

@ -9,7 +9,7 @@ template <class T>
struct X {
enum { SIXTY_FOUR=64 };
struct node {
unsigned char *ptr[sizeof(T)*SIXTY_FOUR]; // { dg-error "" }
unsigned char *ptr[sizeof(T)*SIXTY_FOUR];
void d() {}
};
node *head;

5
gcc/testsuite/g++.dg/template/local4.C
View File

@ -4,8 +4,5 @@ template <typename T> void foo() {}
int main () {
struct S {};
// We do not simply use "local|match" on line 10 because we want to
// make sure that "local" appears.
// { dg-error "local" "local" { target *-*-* } 10 }
foo<S> (); // { dg-error "trying|match" }
foo<S> (); // { dg-error "match" }
}