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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31237] [gdb, clang] FAIL: gdb.gdb/index-file.exp: gdb-index
 files are identical
Date: Sat, 13 Jan 2024 14:54:54 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31237

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Hmm, there's an actual difference in the address table:
...
$ grep " 122$" 1 | sort -d
000000000043ac80 000000000043ad48 122
00000000006bbeb0 00000000006bd024 122
00000000028d4aa8 00000000028d4aa9 122
00000000028d4b50 00000000028d4b51 122
0000000002b74880 0000000002b74881 122
0000000002b74888 0000000002b74889 122
$ grep " 122$" 2 | sort -d
00000000006bbeb0 00000000006bd024 122
00000000028d4aa8 00000000028d4aa9 122
00000000028d4b50 00000000028d4b51 122
0000000002b74880 0000000002b74881 122
0000000002b74888 0000000002b74889 122
...
The first element of 1 is extra, the rest of the entries is equal.

Let's grep for the starting address of the extra element:=20
...
$ grep 43ac80 1
000000000043ac80 000000000043ad48 122
000000000043ac80 000000000043ace8 244
000000000043ac80 000000000043b1c4 490
000000000043ac80 000000000043ad48 600
$ grep 43ac80 2
000000000043ac80 000000000043ace8 244
000000000043ac80 000000000043b1c4 490
...

So, for a given address 0x43ac80 there is a number of CUs that match, and t=
he
number is different between the two address tables.

--=20
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