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http://sourceware.org/ml/gdb-patches/2016-04/msg00181.html
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Subject: [testsuite patch] Fix 7.11 regression: gdb.dwarf2/dw2-undefined-ret-addr.exp [now with the patch]
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Hi,
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a038fa3e14a477d4d72a26c2e139fa47d2774be2 is the first bad commit
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commit a038fa3e14a477d4d72a26c2e139fa47d2774be2
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Author: Markus Metzger <markus.t.metzger@intel.com>
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    stack: check frame_unwind_caller_id
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[PATCH v3 2/3] stack: check frame_unwind_caller_id
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https://sourceware.org/ml/gdb-patches/2016-02/msg00363.html
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Message-Id: <1455207283-12660-2-git-send-email-markus.t.metzger@intel.com>
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 (gdb) PASS: gdb.dwarf2/dw2-undefined-ret-addr.exp: up refuses to go up
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 info frame
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 Stack level 0, frame at 0x0:
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- rip = 0x40059a in stop_frame (dw2-undefined-ret-addr.c:22); saved rip = <not saved>
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+ rip = 0x40059a in stop_frame (dw2-undefined-ret-addr.c:22); saved rip = <unavailable>
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  Outermost frame: outermost
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  source language c.
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  Arglist at 0x7fffffffd610, args: 
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  Locals at 0x7fffffffd610, Previous frame's sp is 0x7fffffffd620
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  Saved registers:
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   rbp at 0x7fffffffd610
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-(gdb) PASS: gdb.dwarf2/dw2-undefined-ret-addr.exp: info frame
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+(gdb) FAIL: gdb.dwarf2/dw2-undefined-ret-addr.exp: info frame
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It happens on normal native Fedora 23 x86_64.
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I am not completely sure about the reasons but it looks to me GDB behavior has
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just changed.
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OK for check-in?
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Thanks,
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Jan
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gdb/testsuite/ChangeLog
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2016-04-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
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	* gdb.dwarf2/dw2-undefined-ret-addr.exp: Expect <unavailable>.
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diff --git a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
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index c666584..e43054b 100644
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--- a/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
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+++ b/gdb/testsuite/gdb.dwarf2/dw2-undefined-ret-addr.exp
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@@ -48,7 +48,7 @@ gdb_test "up" \
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 # doesn't cause an error, and shows "<not saved>".
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 gdb_test "info frame" [multi_line \
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     "Stack level 0, frame at $hex\:" \
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-    " rip = $hex in stop_frame \\(dw2-undefined-ret-addr\\.c:22\\); saved rip = <not saved>" \
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+    " rip = $hex in stop_frame \\(dw2-undefined-ret-addr\\.c:22\\); saved rip = <unavailable>" \
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     " Outermost frame: outermost" \
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     " source language c\\." \
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     " Arglist at $hex, args\: " \
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