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PR/51297 CVS commit: src/sys/arch/ia64

The following reply was made to PR port-ia64/51297; it has been noted by GNATS.

From: "David A. Holland" <>
Subject: PR/51297 CVS commit: src/sys/arch/ia64
Date: Sun, 31 Jul 2016 19:10:55 +0000

 Module Name:	src
 Committed By:	dholland
 Date:		Sun Jul 31 19:10:54 UTC 2016
 Modified Files:
 	src/sys/arch/ia64/ia64: db_trace.c
 	src/sys/arch/ia64/unwind: stackframe.c
 Log Message:
 Don't check for unsigned variables being less than 0 in
 patchunwindframe(). Instead, check before subtracting, which in this
 case means at the call site.
 It would probably be better to change the call signature so the
 subtraction happens inside patchunwindframe(), but since I don't
 really know exactly what this code is trying to do I'm not comfortable
 changing it.
 Issue 1 in PR 51297 from David Binderman.
 To generate a diff of this commit:
 cvs rdiff -u -r1.4 -r1.5 src/sys/arch/ia64/ia64/db_trace.c
 cvs rdiff -u -r1.5 -r1.6 src/sys/arch/ia64/unwind/stackframe.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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