PR c++/47132

	* mangle.c (write_expression): Handle MODOP_EXPR.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174357 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 7a579c6..9ccdee5 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2011-05-27  Jason Merrill  <jason@redhat.com>
 
+       PR c++/47132
+       * mangle.c (write_expression): Handle MODOP_EXPR.
+
        PR c++/47277
        * parser.c (cp_parser_unqualified_id): Don't check
        constructor_name_p for enums.

diff --git a/gcc/cp/mangle.c b/gcc/cp/mangle.c
index c1f3b44..27ef374 100644 (file)
--- a/gcc/cp/mangle.c
+++ b/gcc/cp/mangle.c
@@ -2599,6 +2599,15 @@ write_expression (tree expr)
       write_unqualified_id (fn);
       write_template_args (TREE_OPERAND (expr, 1));
     }
+  else if (TREE_CODE (expr) == MODOP_EXPR)
+    {
+      enum tree_code subop = TREE_CODE (TREE_OPERAND (expr, 1));
+      const char *name = (assignment_operator_name_info[(int) subop]
+                         .mangled_name);
+      write_string (name);
+      write_expression (TREE_OPERAND (expr, 0));
+      write_expression (TREE_OPERAND (expr, 2));
+    }
   else
     {
       int i, len;

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a9e31ce..4c97a9f 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,7 @@
 2011-05-27  Jason Merrill  <jason@redhat.com>
 
+       * g++.dg/abi/mangle47.C: New.
+
        PR c++/49176
        * g++.dg/template/const5.C: New.
 

diff --git a/gcc/testsuite/g++.dg/abi/mangle47.C b/gcc/testsuite/g++.dg/abi/mangle47.C
new file mode 100644 (file)
index 0000000..2c1b636
--- /dev/null
+++ b/gcc/testsuite/g++.dg/abi/mangle47.C
@@ -0,0 +1,11 @@
+// PR c++/47132
+// { dg-options -std=c++0x }
+// { dg-final { scan-assembler "_Z1fIiEDToRfp_Li1EET_" } }
+
+template <typename T>
+auto f (T t) -> decltype(t |= 1);
+
+int main()
+{
+  f(1);
+}