Add non-folding variants for convert_to_*.

2015-11-13  Kai Tietz  <ktietz70@googlemail.com>
	    Marek Polacek  <polacek@redhat.com>
	    Jason Merrill  <jason@redhat.com>

gcc/
	* convert.c (maybe_fold_build1_loc): New.
	(maybe_fold_build2_loc): New.
	(convert_to_pointer_1): Split out from convert_to_pointer.
	(convert_to_pointer_nofold): New.
	(convert_to_real_1): Split out from convert_to_real.
	(convert_to_real_nofold): New.
	(convert_to_integer_1): Split out from convert_to_integer.
	(convert_to_integer_nofold): New.
	(convert_to_complex_1): Split out from convert_to_complex.
	(convert_to_complex_nofold): New.
	* convert.h: Declare new functions.
	* tree-complex.c (create_one_component_var): Break up line to
	avoid sequence point issues.
gcc/c-family/
	* c-lex.c (interpret_float): Use fold_convert.

Co-Authored-By: Jason Merrill <jason@redhat.com>
Co-Authored-By: Marek Polacek <polacek@redhat.com>

From-SVN: r230359

gcc/ChangeLog

+2015-11-13  Kai Tietz  <ktietz70@googlemail.com>
+	    Marek Polacek  <polacek@redhat.com>
+	    Jason Merrill  <jason@redhat.com>
+
+	* convert.c (maybe_fold_build1_loc): New.
+	(maybe_fold_build2_loc): New.
+	(convert_to_pointer_1): Split out from convert_to_pointer.
+	(convert_to_pointer_nofold): New.
+	(convert_to_real_1): Split out from convert_to_real.
+	(convert_to_real_nofold): New.
+	(convert_to_integer_1): Split out from convert_to_integer.
+	(convert_to_integer_nofold): New.
+	(convert_to_complex_1): Split out from convert_to_complex.
+	(convert_to_complex_nofold): New.
+	* convert.h: Declare new functions.
+	* tree-complex.c (create_one_component_var): Break up line to
+	avoid sequence point issues.
+
 2015-11-13  Jason Merrill  <jason@redhat.com>
 
 	* fold-const.c (fold_convert_const): Fold changing cv-quals on

gcc/c-family/ChangeLog

+2015-11-13  Kai Tietz  <ktietz70@googlemail.com>
+
+	* c-lex.c (interpret_float): Use fold_convert.
+
 2015-11-13  David Malcolm  <dmalcolm@redhat.com>
 
 	* c-common.c (c_fully_fold_internal): Capture existing souce_range,

gcc/c-family/c-lex.c

@@ -926,8 +926,9 @@ interpret_float (const cpp_token *token, unsigned int flags,
   value = build_real (const_type, real);
   if (flags & CPP_N_IMAGINARY)
     {
-      value = build_complex (NULL_TREE, convert (const_type,
-						 integer_zero_node), value);
+      value = build_complex (NULL_TREE,
+			     fold_convert (const_type,
+					   integer_zero_node), value);
       if (type != const_type)
 	{
 	  const_type = TREE_TYPE (value);

gcc/convert.h

@@ -21,10 +21,14 @@ along with GCC; see the file COPYING3.  If not see
 #define GCC_CONVERT_H
 
 extern tree convert_to_integer (tree, tree);
+extern tree convert_to_integer_nofold (tree, tree);
 extern tree convert_to_pointer (tree, tree);
+extern tree convert_to_pointer_nofold (tree, tree);
 extern tree convert_to_real (tree, tree);
+extern tree convert_to_real_nofold (tree, tree);
 extern tree convert_to_fixed (tree, tree);
 extern tree convert_to_complex (tree, tree);
+extern tree convert_to_complex_nofold (tree, tree);
 extern tree convert_to_vector (tree, tree);
 
 #endif /* GCC_CONVERT_H */

gcc/tree-complex.c

@@ -432,8 +432,8 @@ create_one_component_var (tree type, tree orig, const char *prefix,
   if (DECL_NAME (orig) && !DECL_IGNORED_P (orig))
     {
       const char *name = IDENTIFIER_POINTER (DECL_NAME (orig));
-
-      DECL_NAME (r) = get_identifier (ACONCAT ((name, suffix, NULL)));
+      name = ACONCAT ((name, suffix, NULL));
+      DECL_NAME (r) = get_identifier (name);
 
       SET_DECL_DEBUG_EXPR (r, build1 (code, type, orig));
       DECL_HAS_DEBUG_EXPR_P (r) = 1;