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Re: [SPAM] Re: [PATCH 0/8] Add -Wshadow=local


>>>>> "Rainer" == Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:

Rainer> this patch series broke the Solaris builds:

Rainer> ../../binutils-gdb/gdb/sol-thread.c: In member function ‘virtual ptid_t sol_thread_target::wait(ptid_t, target_waitstatus*, int)’:
Rainer> ../../binutils-gdb/gdb/sol-thread.c:443:14: error: declaration of ‘save_ptid’ shadows a previous local [-Werror=shadow=compatible-local]
Rainer>        ptid_t save_ptid = ptid;
Rainer>               ^~~~~~~~~
Rainer> ../../binutils-gdb/gdb/sol-thread.c:432:10: note: shadowed declaration is here
Rainer>    ptid_t save_ptid;
Rainer>           ^~~~~~~~~

Thanks for the report.

If you can try the appended, that would be nice.  If not, I will check
it in, since it looks reasonably obviously correct.

Normally I would ask the buildbot to try it but I get:

    bapiya. buildbot try -b Solaris11-amd64-m64

    === ERROR: You probably have an invalid builder in the list of Try Builders ===
    === Please, double-check the list of available builders at ===
    === <https://sourceware.org/gdb/wiki/BuildBot#Configuration_file_for_.22buildbot_try.22> ===

... which seems incorrect to me.

Tom

commit 10554739e0b88e3332e7e63f1bf36d1e7a25442f
Author: Tom Tromey <tom@tromey.com>
Date:   Fri Oct 5 07:28:16 2018 -0600

    Fix -Wshadow=local warning in sol_thread_target::wait
    
    Rainer pointed out that -Wshadow=local broke the Solaris build.
    This fixes it.
    
    gdb/ChangeLog
    2018-10-05  Tom Tromey  <tom@tromey.com>
    
            * sol-thread.c (sol_thread_target::wait): Rename inner
            "save_ptid".

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 912bdecfb2..a533ffdba2 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-05  Tom Tromey  <tom@tromey.com>
+
+	* sol-thread.c (sol_thread_target::wait): Rename inner
+	"save_ptid".
+
 2018-10-04  Tom Tromey  <tom@tromey.com>
 
 	* configure: Rebuild.
diff --git a/gdb/sol-thread.c b/gdb/sol-thread.c
index 5cdc9a8c1e..682302a40b 100644
--- a/gdb/sol-thread.c
+++ b/gdb/sol-thread.c
@@ -440,14 +440,14 @@ sol_thread_target::wait (ptid_t ptid, struct target_waitstatus *ourstatus,
 
   if (ptid.pid () != -1)
     {
-      ptid_t save_ptid = ptid;
+      ptid_t ptid_for_warning = ptid;
 
       ptid = thread_to_lwp (ptid, -2);
       if (ptid.pid () == -2)		/* Inactive thread.  */
 	error (_("This version of Solaris can't start inactive threads."));
       if (info_verbose && ptid.pid () == -1)
 	warning (_("Specified thread %ld seems to have terminated"),
-		 save_ptid.tid ());
+		 ptid_for_warning.tid ());
     }
 
   rtnval = beneath ()->wait (ptid, ourstatus, options);


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