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[Bug gdb/21675] New: Regression since 8.0 in Printing/formatting some values


https://sourceware.org/bugzilla/show_bug.cgi?id=21675

            Bug ID: 21675
           Summary: Regression since 8.0 in Printing/formatting some
                    values
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: jonah at kichwacoders dot com
  Target Milestone: ---

For example on current HEAD:

$ gdb/gdb -q -ex 'print/o -5' -ex quit
$1 = 037773777773

Instead previous versions do this:

$ gdb.8.0 -q -ex 'print/o -5' -ex quit
$1 = 037777777773

AFAICT This is a regression caused by d9109c8080ac0a2caeaa5f3d51e8a3b4891a68a8
(Simplify print_scalar_formatted)

There are many other examples of things that fail in a similar way. They were
picked up by the DSF-GDB testsuite for Eclipse CDT.
https://ci.eclipse.org/cdt/view/Debug/job/debug-tests-master-gdb-master

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