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authorMark Mitchell <mark@codesourcery.com>2006-12-04 18:00:32 +0000
committerMark Mitchell <mmitchel@gcc.gnu.org>2006-12-04 18:00:32 +0000
commit7b5d1e27361c3442fdf553f7384d68f3ce57fe8e (patch)
tree84d362165d7df88f2085057ef825f84b056d9687
parent7f575bf6d48e70be2184a4f7d19dd7c78c6f5113 (diff)
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re PR c++/29632 (ICE on invalid code: regenerate_decl_from_template, at cp/pt.c:10969)
PR c++/29632 * call.c (add_builtin_candidate): Do not permit NULL pointer constants to be compared with template parameters. PR c++/29632 * g++.dg/template/error23.C: New test. From-SVN: r119499
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/call.c11
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/template/error23.C17
4 files changed, 36 insertions, 3 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cf577f0..a4c1a11 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2006-12-04 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/29632
+ * call.c (add_builtin_candidate): Do not permit NULL pointer
+ constants to be compared with template parameters.
+
2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
* pt.c (for_each_template_parm_r) <INTEGER_TYPE>: New case.
diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index cfb566b..3418703 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -1811,14 +1811,19 @@ add_builtin_candidate (struct z_candidate **candidates, enum tree_code code,
break;
if (TYPE_PTR_P (type1) && TYPE_PTR_P (type2))
break;
- if (TREE_CODE (type1) == ENUMERAL_TYPE && TREE_CODE (type2) == ENUMERAL_TYPE)
+ if (TREE_CODE (type1) == ENUMERAL_TYPE
+ && TREE_CODE (type2) == ENUMERAL_TYPE)
break;
- if (TYPE_PTR_P (type1) && null_ptr_cst_p (args[1]))
+ if (TYPE_PTR_P (type1)
+ && null_ptr_cst_p (args[1])
+ && !uses_template_parms (type1))
{
type2 = type1;
break;
}
- if (null_ptr_cst_p (args[0]) && TYPE_PTR_P (type2))
+ if (null_ptr_cst_p (args[0])
+ && TYPE_PTR_P (type2)
+ && !uses_template_parms (type2))
{
type1 = type2;
break;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e50bc59..3e0e641 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-12-04 Mark Mitchell <mark@codesourcery.com>
+
+ PR c++/29632
+ * g++.dg/template/error23.C: New test.
+
2006-12-04 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/sse-18.c: Pass if CPU has no SSE2 support.
diff --git a/gcc/testsuite/g++.dg/template/error23.C b/gcc/testsuite/g++.dg/template/error23.C
new file mode 100644
index 0000000..8e5dee7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/error23.C
@@ -0,0 +1,17 @@
+// PR c++/29632
+
+struct nullptr_type {
+
+ nullptr_type ( void ) {}
+
+ template < typename T >
+ operator T* ( void ) const {
+ return ( 0 );
+ }
+} const nullptr;
+
+int main ( void ) {
+ 0 == nullptr; // { dg-error "match" }
+}
+
+