gcc/

[pf3gnuchains/gcc-fork.git] / gcc / c.opt

diff --git a/gcc/c.opt b/gcc/c.opt
index 72165b9..dd9013e 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -423,7 +423,7 @@ Warn if type signatures of candidate methods do not match exactly
 
 Wsynth
 C++ ObjC++ Var(warn_synth) Warning
-Warn when synthesis behavior differs from Cfront
+Deprecated.  This switch has no effect
 
 Wsystem-headers
 C ObjC C++ ObjC++ Warning
@@ -465,6 +465,10 @@ Wvla
 C ObjC C++ ObjC++ Var(warn_vla) Init(-1) Warning
 Warn if a variable length array is used
 
+Wvolatile-register-var
+C ObjC C++ ObjC++ Var(warn_volatile_register_var) Warning
+Warn when a register variable is declared volatile
+
 Wwrite-strings
 C ObjC C++ ObjC++ Var(warn_write_strings) Warning
 In C++, nonzero means warn about deprecated conversion from string literals to `char *'.  In C, similar warning, except that the conversion is of course not deprecated by the ISO C standard.