jocke@1700: This is backported partially from 2.20 branch
jocke@1700: 
jocke@1700: http://sourceware.org/ml/binutils-cvs/2009-10/msg00173.html
jocke@1700: 
jocke@1700: -Khem
jocke@1700: Index: binutils-2.20/gas/as.h
jocke@1700: ===================================================================
jocke@1700: --- binutils-2.20.orig/gas/as.h	2009-10-22 00:27:08.700469349 -0700
jocke@1700: +++ binutils-2.20/gas/as.h	2009-10-22 00:28:04.068416318 -0700
jocke@1700: @@ -238,7 +238,7 @@ typedef addressT valueT;
jocke@1700:  #define know(p) gas_assert(p)	/* Verify our assumptions!  */
jocke@1700:  #endif /* not yet defined */
jocke@1700:  #else
jocke@1700: -#define know(p)			/* know() checks are no-op.ed  */
jocke@1700: +#define know(p) do {} while (0)	/* know() checks are no-op.ed  */
jocke@1700:  #endif
jocke@1700:  
jocke@1700:  /* input_scrub.c */