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authorjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2005-11-08 08:32:26 +0000
committerjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2005-11-08 08:32:26 +0000
commitfe9522ceedb6e0ef47da4ac0d364151ad5020b0a (patch)
tree808a0ca6b00e83bccc17095bf03842c6f8042886
parent8b3fa39e88cb353a5725a4c4d4de5f8a655b1ac1 (diff)
downloadppe42-gcc-fe9522ceedb6e0ef47da4ac0d364151ad5020b0a.tar.gz
ppe42-gcc-fe9522ceedb6e0ef47da4ac0d364151ad5020b0a.zip
PR c++/21123
* cp/method.c (use_thunk): Use build_cplus_new instead of force_target_expr. * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106634 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/method.c3
-rw-r--r--gcc/testsuite/g++.dg/inherit/thunk4.C23
-rw-r--r--gcc/tree.h2
5 files changed, 36 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1e22fd36845..bd9a3e04504 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2005-11-08 Jason Merrill <jason@redhat.com>
+
+ * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
+
2005-11-08 Uros Bizjak <uros@kss-loka.si>
PR target/19340
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 3d2f36ec767..1b2d16661ab 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-08 Jason Merrill <jason@redhat.com>
+
+ PR c++/21123
+ * method.c (use_thunk): Use build_cplus_new instead of
+ force_target_expr.
+
2005-11-06 Jason Merrill <jason@redhat.com>
James A. Morrison <phython@gcc.gnu.org>
diff --git a/gcc/cp/method.c b/gcc/cp/method.c
index d68423ce8fe..67e42ea1e0e 100644
--- a/gcc/cp/method.c
+++ b/gcc/cp/method.c
@@ -502,7 +502,8 @@ use_thunk (tree thunk_fndecl, bool emit_p)
t = build3 (COND_EXPR, TREE_TYPE (t), cond, t,
cp_convert (TREE_TYPE (t), integer_zero_node));
}
- t = force_target_expr (TREE_TYPE (t), t);
+ if (IS_AGGR_TYPE (TREE_TYPE (t)))
+ t = build_cplus_new (TREE_TYPE (t), t);
finish_return_stmt (t);
}
diff --git a/gcc/testsuite/g++.dg/inherit/thunk4.C b/gcc/testsuite/g++.dg/inherit/thunk4.C
new file mode 100644
index 00000000000..a6e913e59e3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/inherit/thunk4.C
@@ -0,0 +1,23 @@
+// PR c++/21123
+
+struct A
+{
+ A( const A &a);
+ const A& operator=( const A& a);
+};
+
+struct B
+{
+ virtual A f();
+};
+
+struct C : virtual B
+{
+ virtual A f();
+ A a;
+};
+
+A C::f()
+{
+ return a;
+}
diff --git a/gcc/tree.h b/gcc/tree.h
index 4705bb12b83..7b1796c0800 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1023,7 +1023,7 @@ extern void tree_operand_check_failed (int, enum tree_code,
/* In a CALL_EXPR, means that the call is the jump from a thunk to the
thunked-to function. */
-#define CALL_FROM_THUNK_P(NODE) ((NODE)->common.protected_flag)
+#define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->common.protected_flag)
/* In a type, nonzero means that all objects of the type are guaranteed by the
language or front-end to be properly aligned, so we can indicate that a MEM
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