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PR/54820 CVS commit: src/external/gpl3/gdb/lib/libgdb

The following reply was made to PR toolchain/54820; it has been noted by GNATS.

From: "Rin Okuyama" <>
Subject: PR/54820 CVS commit: src/external/gpl3/gdb/lib/libgdb
Date: Wed, 29 Apr 2020 11:04:59 +0000

 Module Name:	src
 Committed By:	rin
 Date:		Wed Apr 29 11:04:58 UTC 2020
 Modified Files:
 	src/external/gpl3/gdb/lib/libgdb: Makefile
 Log Message:
 PR toolchain/54820
 PR toolchain/54877
 GCC 8.4 miscompiles dwarf2expr.c with -O2 or -O1 for earmv7hf{,eb}, which
 results in crashes described in the PRs. No upstream fixes up to now. So,
 let us disable optimization for this file.
 Note that this affects only earmv7hf{,eb} as far as I can see. Crashes do
 not occur neither for earmv6hf{,eb} nor earmv7{,eb}.
 To generate a diff of this commit:
 cvs rdiff -u -r1.21 -r1.22 src/external/gpl3/gdb/lib/libgdb/Makefile
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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