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From: "woodard at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/24731] abidiff: Incorrect ABI difference reporting for union changing order of members
Date: Tue, 01 Jan 2019 00:00:00 -0000	[thread overview]
Message-ID: <bug-24731-9487-o3blkIzcsN@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-24731-9487@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=24731

--- Comment #2 from Ben Woodard <woodard at redhat dot com> ---
Further supporting that supposition that there are two bugs the corpus looks
correct:

$ abidw test1.o | sed -e 's/test1/test2/' > test1.dw # so the filenames don't
add noise
$ abidw test2.o > test2.dw
$ diff -u test1.dw test2.dw 
--- test1.dw    2019-06-25 13:38:41.510614347 -0700
+++ test2.dw    2019-06-25 13:36:17.003307489 -0700
@@ -9,15 +9,15 @@
         <var-decl name='a' type-id='type-id-3' visibility='default'
filepath='/home/ben/Work/libabigail/test/test2.c' line='1' column='1'/>
       </data-member>
       <data-member access='private'>
-        <var-decl name='c' type-id='type-id-4' visibility='default'
filepath='/home/ben/Work/libabigail/test/test2.c' line='1' column='1'/>
+        <var-decl name='s' type-id='type-id-4' visibility='default'
filepath='/home/ben/Work/libabigail/test/test2.c' line='1' column='1'/>
       </data-member>
       <data-member access='private'>
-        <var-decl name='s' type-id='type-id-5' visibility='default'
filepath='/home/ben/Work/libabigail/test/test2.c' line='1' column='1'/>
+        <var-decl name='c' type-id='type-id-5' visibility='default'
filepath='/home/ben/Work/libabigail/test/test2.c' line='1' column='1'/>
       </data-member>
     </union-decl>
     <type-decl name='int' size-in-bits='32' id='type-id-3'/>
-    <type-decl name='char' size-in-bits='8' id='type-id-4'/>
-    <type-decl name='short int' size-in-bits='16' id='type-id-5'/>
+    <type-decl name='short int' size-in-bits='16' id='type-id-4'/>
+    <type-decl name='char' size-in-bits='8' id='type-id-5'/>
     <function-decl name='test_func' mangled-name='test_func'
filepath='/home/ben/Work/libabigail/test/test2.c' line='3' column='1'
visibility='default' binding='global' size-in-bits='64'
elf-symbol-id='test_func'>
       <parameter type-id='type-id-2' name='var'
filepath='/home/ben/Work/libabigail/test/test2.c' line='3' column='1'/>
       <return type-id='type-id-1'/>

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  parent reply	other threads:[~2019-06-25 20:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-01  0:00 [Bug default/24731] New: " maennich at google dot com
2019-01-01  0:00 ` [Bug default/24731] " dodji at redhat dot com
2019-01-01  0:00 ` woodard at redhat dot com [this message]
2019-01-01  0:00 ` maennich at google dot com
2019-01-01  0:00 ` woodard at redhat dot com
2019-01-01  0:00 ` dodji at redhat dot com

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