MFC r259005, r259092:

gcc: Add -flax-vector-conversions
gcc: new fvisibility-ms-compat option

These are useful for compatibility with newwer gcc and clang.

Obtained from:	gcc 4.3 (rev. 120572, 120688, 126088; GPLv2)

1 files changed, 5 insertions, 1 deletions

diff --git a/contrib/gcc/c-common.h b/contrib/gcc/c-common.h
index 00c58e3..8848ea5 100644
--- a/contrib/gcc/c-common.h
+++ b/contrib/gcc/c-common.h
@@ -389,6 +389,10 @@ extern int flag_short_double;
 
 extern int flag_short_wchar;
 
+/* Nonzero means allow implicit conversions between vectors with
+   differing numbers of subparts and/or differing element types.  */
+extern int flag_lax_vector_conversions;
+
 /* Nonzero means allow Microsoft extensions without warnings or errors.  */
 extern int flag_ms_extensions;
 
@@ -791,7 +795,7 @@ extern tree finish_label_address_expr (tree);
 extern tree lookup_label (tree);
 extern tree lookup_name (tree);
 
-extern int vector_types_convertible_p (tree t1, tree t2);
+extern bool vector_types_convertible_p (tree t1, tree t2, bool emit_lax_note);
 
 extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *);