diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index edce703..dbcc212 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -5993,6 +5993,11 @@ machine-description macro
@code{FRAME_POINTER_REQUIRED} controls
 whether a target machine supports this flag.  @xref{Registers,,Register
 Usage, gccint, GNU Compiler Collection (GCC) Internals}.

+Starting from GCC version 4.6, the default setting for 32-bit Linux x86
+targets has been changed to @option{-fomit-frame-pointer}.  New behavior
+can be reverted back to @option{-fno-omit-frame-pointer} by configuring
+GCC with the @option{--enable-frame-pointer} configure option.
+
 Enabled at levels @option{-O}, @option{-O2}, @option{-O3}, @option{-Os}.