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Subject: [Bug exp/27265] gdbtypes.c:3429: internal-error: type*
 init_complex_type(const char*, type*): Assertion `target_type->code () ==
 TYPE_CODE_INT || target_type->code () == TYPE_CODE_FLT' failed.
Date: Fri, 05 Feb 2021 09:56:44 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27265

--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dae7104966177=
c7bcb7bef9e1445489d9d2f97f06

commit ae7104966177c7bcb7bef9e1445489d9d2f97f06
Author: Tom de Vries <tdevries@suse.de>
Date:   Fri Feb 5 10:56:39 2021 +0100

    [gdb/exp] Fix assert when adding ptr to imaginary unit

    I'm running into this assertion failure:
    ...
    $ gdb -batch -ex "p (void *)0 - 5i"
    gdbtypes.c:3430: internal-error: \
      type* init_complex_type(const char*,   type*): Assertion \
      `target_type->code () =3D=3D TYPE_CODE_INT \
       || target_type->code () =3D=3D TYPE_CODE_FLT' failed.
    A problem internal to GDB has been detected,
    further debugging may prove unreliable.
    ...

    This is a regression since commit c34e8714662 "Implement complex
arithmetic".
    Before that commit we had:
    ...
    (gdb) p (void *)0 - 5i
    Argument to arithmetic operation not a number or boolean.
    ...

    Fix this in complex_binop by throwing an error, such that we have:
    ...
    (gdb) print (void *)0 - 5i
    Argument to complex arithmetic operation not supported.
    ...

    Tested on x86_64-linux.

    gdb/ChangeLog:

    2021-02-05  Tom de Vries  <tdevries@suse.de>

            PR exp/27265
            * valarith.c (complex_binop): Throw an error if complex type ca=
n't
            be created.

    gdb/testsuite/ChangeLog:

    2021-02-05  Tom de Vries  <tdevries@suse.de>

            PR exp/27265
            * gdb.base/complex-parts.exp: Add tests.

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