PR c++/49165

[pf3gnuchains/gcc-fork.git] / gcc / c-family / c-common.c

diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index fa7ebc5..dbef4b3 100644 (file)
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -3945,14 +3945,15 @@ c_common_truthvalue_conversion (location_t location, tree expr)
       /* Distribute the conversion into the arms of a COND_EXPR.  */
       if (c_dialect_cxx ())
        {
+         tree op1 = TREE_OPERAND (expr, 1);
+         tree op2 = TREE_OPERAND (expr, 2);
+         /* In C++ one of the arms might have void type if it is throw.  */
+         if (!VOID_TYPE_P (TREE_TYPE (op1)))
+           op1 = c_common_truthvalue_conversion (location, op1);
+         if (!VOID_TYPE_P (TREE_TYPE (op2)))
+           op2 = c_common_truthvalue_conversion (location, op2);
          expr = fold_build3_loc (location, COND_EXPR, truthvalue_type_node,
-                             TREE_OPERAND (expr, 0),
-                             c_common_truthvalue_conversion (location,
-                                                             TREE_OPERAND (expr,
-                                                                           1)),
-                             c_common_truthvalue_conversion (location,
-                                                             TREE_OPERAND (expr,
-                                                                           2)));
+                                 TREE_OPERAND (expr, 0), op1, op2);
          goto ret;
        }
       else