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Add constructor to stap_static_probe_ops

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PR build/24937 concerns an error given by the clang provided by a
particular version of macOS.  In particular, it reports

    error: default initialization of an object of const type 'const
    stap_static_probe_ops' without a user-provided default constructor

Although (at least according to sources I found online) this was
resolved as a bug in the standard, it seemed simple enough to work
around this.

Given that this is a trivial build fix, I think it should go on the
gdb 9 branch as well.

gdb/ChangeLog
2020-01-07  Tom Tromey  <tromey@adacore.com>

	PR build/24937:
	* stap-probe.c (class stap_static_probe_ops): Add constructor.

Change-Id: I18f180c17850f420e9b66afc67f9cb3d8dceb0b3
This commit is contained in:
Tom Tromey 2019-12-19 11:35:22 -07:00
parent 06a6207a1a
commit 4212d50914
2 changed files with 11 additions and 0 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2020-01-07 Tom Tromey <tromey@adacore.com>
PR build/24937:
* stap-probe.c (class stap_static_probe_ops): Add constructor.
2020-01-02 Jon Turney <jon.turney@dronecode.org.uk>
* cli/cli-style.c: Set cli_styling to 'true' in the Cygwin build.

6
gdb/stap-probe.c
View File

@ -101,6 +101,12 @@ struct stap_probe_arg
class stap_static_probe_ops : public static_probe_ops
{
public:
/* We need a user-provided constructor to placate some compilers.
See PR build/24937. */
stap_static_probe_ops ()
{
}
/* See probe.h. */
bool is_linespec (const char **linespecp) const override;