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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/30751] New: [gdb/build] ODR violation for struct
 btrace_target_info
Date: Mon, 14 Aug 2023 09:27:13 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: build
X-Bugzilla-Version: HEAD
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: vries at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30751

            Bug ID: 30751
           Summary: [gdb/build] ODR violation for struct
                    btrace_target_info
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When building gdb with -O2 -flto -Wall we run into:
...
/data/vries/gdb/src/gdb/nat/linux-btrace.h:84:8: warning: type 'struct
btrace_target_info' violates the C++ One Definition Rule [-Wodr]
 struct btrace_target_info
        ^
/data/vries/gdb/src/gdb/remote.c:14140:0: note: a different type is defined=
 in
another translation unit
 struct btrace_target_info

/data/vries/gdb/src/gdb/nat/linux-btrace.h:101:5: note: the first differenc=
e of
corresponding definitions is field 'variant'
   } variant;
     ^
/data/vries/gdb/src/gdb/remote.c:14140:0: note: a type with different numbe=
r of
fields is defined in another translation unit
 struct btrace_target_info
...

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