Go patch committed: Fix calls to integer_type

Go patch committed: Fix calls to integer_type

[Ian Lance Taylor]

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The code in the Gcc_backend constructor in the Go frontend incorrectly
calls integer_type with a size argument followed by a sign flag, but
the signature of integer_type is reversed: a sign flag followed by the
size.  This patch by Chris Manghane fixes the problem.  This is GCC PR
77701.  Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.

Ian

2016-09-23  Chris Manghane  <cmang@google.com>

PR go/77701
* go-gcc.cc (Gcc_backend::Gcc_backend): Fix calls to integer_type
to pass arguments in the correct order.

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Index: gcc/go/go-gcc.cc
===================================================================
--- gcc/go/go-gcc.cc	(revision 240382)
+++ gcc/go/go-gcc.cc	(working copy)
@@ -651,25 +651,25 @@ Gcc_backend::Gcc_backend()
 {
   /* We need to define the fetch_and_add functions, since we use them
      for ++ and --.  */
-  tree t = this->integer_type(BITS_PER_UNIT, 1)->get_tree();
+  tree t = this->integer_type(true, BITS_PER_UNIT)->get_tree();
   tree p = build_pointer_type(build_qualified_type(t, TYPE_QUAL_VOLATILE));
   this->define_builtin(BUILT_IN_SYNC_ADD_AND_FETCH_1, "__sync_fetch_and_add_1",
 		       NULL, build_function_type_list(t, p, t, NULL_TREE),
 		       false, false);
 
-  t = this->integer_type(BITS_PER_UNIT * 2, 1)->get_tree();
+  t = this->integer_type(true, BITS_PER_UNIT * 2)->get_tree();
   p = build_pointer_type(build_qualified_type(t, TYPE_QUAL_VOLATILE));
   this->define_builtin(BUILT_IN_SYNC_ADD_AND_FETCH_2, "__sync_fetch_and_add_2",
 		       NULL, build_function_type_list(t, p, t, NULL_TREE),
 		       false, false);
 
-  t = this->integer_type(BITS_PER_UNIT * 4, 1)->get_tree();
+  t = this->integer_type(true, BITS_PER_UNIT * 4)->get_tree();
   p = build_pointer_type(build_qualified_type(t, TYPE_QUAL_VOLATILE));
   this->define_builtin(BUILT_IN_SYNC_ADD_AND_FETCH_4, "__sync_fetch_and_add_4",
 		       NULL, build_function_type_list(t, p, t, NULL_TREE),
 		       false, false);
 
-  t = this->integer_type(BITS_PER_UNIT * 8, 1)->get_tree();
+  t = this->integer_type(true, BITS_PER_UNIT * 8)->get_tree();
   p = build_pointer_type(build_qualified_type(t, TYPE_QUAL_VOLATILE));
   this->define_builtin(BUILT_IN_SYNC_ADD_AND_FETCH_8, "__sync_fetch_and_add_8",
 		       NULL, build_function_type_list(t, p, t, NULL_TREE),