(flag_volatile_global): Declared.

From-SVN: r3684

diff --git a/gcc/flags.h b/gcc/flags.h
index 0e3b28b3b55a9263966d481f144432e664be387d..e36a662d1b213f50e77015c8b88f6da1ad02716d 100644 (file)
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -229,6 +229,10 @@ extern int flag_no_peephole;
 
 extern int flag_volatile;
 
+/* Nonzero means treat all global and extern variables as global.  */
+
+extern int flag_volatile_global;
+
 /* Nonzero allows GCC to violate some IEEE or ANSI rules regarding math
    operations in the interest of optimization.  For example it allows
    GCC to assume arguments to sqrt are nonnegative numbers, allowing