[Bug tdep/20682] New: aarch64 regression: gdb.cp/nextoverthrow.exp

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=20682

            Bug ID: 20682
           Summary: aarch64 regression: gdb.cp/nextoverthrow.exp
           Product: gdb
           Version: 7.12
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tdep
          Assignee: unassigned at sourceware dot org
          Reporter: jan.kratochvil at redhat dot com
  Target Milestone: ---

https://sourceware.org/ml/gdb-patches/2016-10/msg00232.html

03bcd7394eefb9399f5ab97919a0463dea274c02 is the first bad commit
commit 03bcd7394eefb9399f5ab97919a0463dea274c02
Author: Yao Qi <yao.qi@linaro.org>
Date:   Fri Aug 19 14:49:31 2016 +0100
    [AArch64] Match instruction "STP with base register" in prologue

FAIL: gdb.cp/nextoverthrow.exp: tbreak _Unwind_RaiseException (GDB internal
error)
FAIL: gdb.cp/nextoverthrow.exp: continuing to _Unwind_RaiseException (the
program exited)
FAIL: gdb.cp/nextoverthrow.exp: finish (the program is no longer running)
FAIL: gdb.cp/nextoverthrow.exp: continuing to Second: resumebpt (the program is
no longer running)
FAIL: gdb.cp/nextoverthrow.exp: continuing to done (the program is no longer
running)
FAIL: gdb.cp/nextoverthrow.exp: post-check - advance

tbreak _Unwind_RaiseException^M
aarch64-tdep.c:335: internal-error: CORE_ADDR
aarch64_analyze_prologue(gdbarch*, CORE_ADDR, CORE_ADDR,
aarch64_prologue_cache*):
Assertion `inst.operands[0].type == AARCH64_OPND_Rt' failed.^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
Quit this debugging session? (y or n) FAIL: gdb.cp/nextoverthrow.exp: tbreak
_Unwind_RaiseException (GDB internal error)

RHEL-7.3-20161007.n.0 Server aarch64
gcc-4.8.5-11.el7.aarch64

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