* doc/install.texi (Specific, *-ibm-aix*): AIX assembler bug.

From-SVN: r176403

gcc/ChangeLog

+2011-07-18  David Edelsohn  <dje.gcc@gmail.com>
+
+	* doc/install.texi (Specific, *-ibm-aix*): AIX assembler bug.
+
 2011-07-18  Richard Guenther  <rguenther@suse.de>
 
 	* gimplify.c (gimplify_expr): Use input_location, not saved_location

gcc/doc/install.texi

@@ -3682,6 +3682,15 @@ on AIX@.  The GNU Assembler, GNU Linker, and GNU Binutils version 2.20
 is required to bootstrap on AIX 5@.  The native AIX tools do
 interoperate with GCC@.
 
+AIX 5.3 TL10, AIX 6.1 TL05 and AIX 7.1 TL00 introduced an AIX
+assembler change that sometimes produces corrupt assembly files
+causing AIX linker errors.  The bug breaks GCC bootstrap on AIX and
+can cause compilation failures with existing GCC installations.  An
+AIX iFix for AIX 5.3 is available (APAR IZ98385 for AIX 5.3 TL10, APAR
+IZ98477 for AIX 5.3 TL11 and IZ98134 for AIX 5.3 TL12).  Fixes for AIX
+6.1 (APAR IZ98732 for AIX 6.1 TL05 and APAR IZ98861 for AIX 6.1 TL06)
+and AIX 7.1 are in verification and packaging phases.
+
 Building @file{libstdc++.a} requires a fix for an AIX Assembler bug
 APAR IY26685 (AIX 4.3) or APAR IY25528 (AIX 5.1).  It also requires a
 fix for another AIX Assembler bug and a co-dependent AIX Archiver fix