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runtime: fix GDB tests on s390x running Ubuntu 18.04

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On Ubuntu 18.04 I am seeing GDB fail to restore the stack pointer
during this test because stack unwinding can't find the PC. This CL
is essentially a partial revert of CL 23940 and fixes the issue on
s390x.

Change-Id: Ib4c41162dc85dc882eb6e248330f4082c3fa94c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/169857
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Michael Munday 2019-03-28 08:05:43 -04:00
parent aafe257390
commit d91f7e6637
1 changed files with 1 additions and 1 deletions
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2
src/runtime/runtime-gdb.py
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@ -540,8 +540,8 @@ class GoroutineCmd(gdb.Command):
# In GDB, assignments to sp must be done from the
# top-most frame, so select frame 0 first.
gdb.execute('select-frame 0')
gdb.parse_and_eval('$sp = $save_sp')
gdb.parse_and_eval('$pc = $save_pc')
gdb.parse_and_eval('$sp = $save_sp')
save_frame.select()