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From: "simark at simark dot ca" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/27966] macro tests failing when using -gdwarf-5
 -gsplit-dwarf
Date: Thu, 05 Jan 2023 01:42:55 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27966

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW

--- Comment #3 from Simon Marchi <simark at simark dot ca> ---
(In reply to Tom Tromey from comment #2)
> I usually move the bugs to "waiting" when there's a question.
> That way when we stumble over it again in N years we know we
> can just close it.

That's a good idea.  However, here I'll move it to NEW (i.e. confirmed),
because the main point of the bug is still valid.  With the test binary
generated with:

$ make check TESTS=3Dgdb.base/macscp.exp RUNTESTFLAGS=3D"CC_FOR_TARGET=3Dcl=
ang
CFLAGS_FOR_TARGET=3D'-gdwarf-5 -gsplit-dwarf'"

I get:

$ ./gdb -q -nx --data-directory=3Ddata-directory
/home/simark/build/binutils-gdb/gdb/testsuite/outputs/gdb.base/macscp/macscp
-ex "b macscp2_2" -ex r -ex  "info macro WHERE" -batch
...
The symbol `WHERE' has no definition as a C/C++ preprocessor macro
at /home/simark/src/binutils-gdb/gdb/testsuite/gdb.base/macscp2.h:22
  included at /home/simark/src/binutils-gdb/gdb/testsuite/gdb.base/macscp1.=
c:1

Whereas with:

$ make check TESTS=3Dgdb.base/macscp.exp RUNTESTFLAGS=3D"CC_FOR_TARGET=3Dcl=
ang"

I get:

$ ./gdb -q -nx --data-directory=3Ddata-directory
/home/simark/build/binutils-gdb/gdb/testsuite/outputs/gdb.base/macscp/macscp
-ex "b macscp2_2" -ex r -ex  "info macro WHERE" -batch
...
Defined at /home/simark/src/binutils-gdb/gdb/testsuite/gdb.base/macscp2.h:16
  included at /home/simark/src/binutils-gdb/gdb/testsuite/gdb.base/macscp1.=
c:61
#define WHERE before macscp2_2

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