Re: [committed][gdb/testsuite] Update psym-external-decl.exp for gcc-10/clang

[Pedro Alves <pedro@palves.net>]

On 7/3/20 10:21 AM, Gary Benson wrote:
> Tom de Vries wrote:
>> On 6/29/20 2:32 PM, Pedro Alves wrote:

>>> I would suggest filing a bug with clang, to confirm whether
>>> this is intentional, or whether they see it as a bug.  I would
>>> think it is a bug, but I'm not sure.  If indeed a bug, we would
>>> XFAIL the test.
>>
>> I've filed https://bugs.llvm.org/show_bug.cgi?id=46514 .
>>
>> Thanks,
>> - Tom
> 
> Thank for filing it Tom.

So the conclusion seems to be that the testcase should be using
-fstandalone-debug?

Except, I tried it here, and it doesn't seem to work:

~~~~~~~~~~~~~~~~
From 792aa03ab3325fe7cfcfeb51e765e81da2fbbfaf Mon Sep 17 00:00:00 2001
From: Pedro Alves <palves@redhat.com>
Date: Fri, 3 Jul 2020 12:12:19 +0100
Subject: [PATCH] standalone

---
 gdb/testsuite/gdb.base/psym-external-decl.exp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gdb/testsuite/gdb.base/psym-external-decl.exp b/gdb/testsuite/gdb.base/psym-external-decl.exp
index d0388d5655e..faff3234bb5 100644
--- a/gdb/testsuite/gdb.base/psym-external-decl.exp
+++ b/gdb/testsuite/gdb.base/psym-external-decl.exp
@@ -15,17 +15,18 @@
 
 standard_testfile .c psym-external-decl-2.c
 
+set srcfiles [list $srcfile $srcfile2]
+set options {debug}
+
 get_compiler_info
 if { [test_compiler_info "clang-*"] } {
-    return -1
+    lappend options additional_flags=-fstandalone-debug
 }
 
-set srcfiles [list $srcfile $srcfile2]
-
 if { [build_executable_from_specs \
 	  "failed to prepare" \
 	  $testfile [list] \
-	  $srcfile [list debug] \
+	  $srcfile $options \
 	  $srcfile2 [list]] == -1 } {
     return -1
 }

base-commit: c2ecccb33c307faa21f4d2f47348e7346b032d94
-- 
2.14.5
~~~~~~~~~~~~~~~~

I still get:

$ readelf -w testsuite/outputs/gdb.base/psym-external-decl/psym-external-decl0.o | grep aaa
$

This is Clang 5.0.2.  Maybe it works with newer Clangs?  What do you get?