[PIING][PATCH v4 00/15] Clean gdb.base when testing with clang

[Bruno Larsen <blarsen@redhat.com>]

ping!

On 7/20/22 21:44, Bruno Larsen wrote:
> When testing GDB with clang, gdb.base had over 50 more failures than when
> testing with gcc.  Examining the failed tests led to a few clang bugs, a
> few GDB bugs, and many testsuite assumptions that could be changed.
>
> After this patch series, nothing should be changed for testing with gcc,
> and testing with clang should only show non-trivial failures for
> maint.exp and macscp.exp, along with the same GCC failures.
>
> Changes in v4:
>      * Added new test to step through a function's epoligue
>      * renamed gdb_step_until_regexp -> gdb_step_until
>      * small style and wording changes in patches 1 and 2
>      * Dropped patch 3 - no longer necessary
>      * patch 4 was reworked based on Andrew's suggestion
> small note, Andrew has OK'd patched 5 and 6 (currently 4 and 5) in v3;
>
> Changes in v3:
>      * Fixed some issues that only showed up on CXX_FOR_TARGET=clang
>      * rebased on current master
>
> Changes in v2:
>      * Introduced gdb_step_until_regexp, based on Pedro's and Andrew's suggestions
>      * reworked fixes for: skip.exp, skip-solib.exp and msym-bp-shl.exp
>      * Used Pedro's suggestion for call-ar-st
>      * reordered patches slightly
>
> Bruno Larsen (15):
>    gdb/testsuite: introduce gdb_step_until
>    gdb/testsuite: Add a proc to test where compiler links the epilogue
>    Change gdb.base/skip-solib.exp deal with lack of epilogue information
>    gdb/testsuite: change gdb.base/nodebug.exp to not fail with clang
>    update gdb.base/info-program.exp to not fail with clang
>    fix gdb.base/access-mem-running.exp for clang testing
>    Fix gdb.base/call-ar-st to work with Clang
>    add xfails to gdb.base/complex-parts.exp when testing with clang
>    gdb/testsuite: fix gdb.base/msym-bp-shl when running with Clang
>    explicitly test for stderr in gdb.base/dprintf.exp
>    gdb/testsuite: Update gdb.base/so-impl-ld.exp
>    [gdb/testsuite]: fix gdb.base/jit-elf.exp when testing with clang
>    gdb/testsuite: fix gdb.base/info-types-c++ with clang
>    gdb.base/skip.exp: Use finish to exit functions
>    gdb/testsuite: Add test to step through function epilogue
>
>   gdb/testsuite/gdb.base/access-mem-running.c   |   2 +-
>   gdb/testsuite/gdb.base/call-ar-st.exp         |  13 ++-
>   gdb/testsuite/gdb.base/complex-parts.exp      |   5 +
>   gdb/testsuite/gdb.base/dprintf.exp            |  10 ++
>   gdb/testsuite/gdb.base/info-program.exp       |   2 +-
>   gdb/testsuite/gdb.base/info-types.exp.tcl     | 109 ++++++++++++------
>   gdb/testsuite/gdb.base/jit-elf.exp            |   2 +-
>   gdb/testsuite/gdb.base/msym-bp-shl.exp        |   8 ++
>   gdb/testsuite/gdb.base/nodebug.exp            |  12 +-
>   gdb/testsuite/gdb.base/skip-inline.exp        |  23 ++--
>   gdb/testsuite/gdb.base/skip-solib-lib.c       |   3 +-
>   gdb/testsuite/gdb.base/skip-solib-main.c      |   3 +-
>   gdb/testsuite/gdb.base/skip-solib.exp         |  12 +-
>   gdb/testsuite/gdb.base/skip.exp               |  32 +++--
>   gdb/testsuite/gdb.base/so-impl-ld.exp         |  13 +--
>   gdb/testsuite/gdb.base/solib1.c               |   5 +-
>   .../gdb.base/step-through-epilogue.c          |  15 +++
>   .../gdb.base/step-through-epilogue.exp        |  86 ++++++++++++++
>   gdb/testsuite/lib/gdb.exp                     |  62 ++++++++++
>   19 files changed, 334 insertions(+), 83 deletions(-)
>   create mode 100644 gdb/testsuite/gdb.base/step-through-epilogue.c
>   create mode 100644 gdb/testsuite/gdb.base/step-through-epilogue.exp
>