Do not attempt to dlopen PIE objects, which was disallowed with glibc 2.30.

https://gitlab.haskell.org/ghc/ghc/issues/17952
https://sourceware.org/bugzilla/show_bug.cgi?id=24323

Patch submitted upstream:
https://gitlab.haskell.org/ghc/ghc/-/merge_requests/2947

diff --git a/testsuite/tests/dynlibs/Makefile b/testsuite/tests/dynlibs/Makefile
--- a/testsuite/tests/dynlibs/Makefile
+++ b/testsuite/tests/dynlibs/Makefile
@@ -60,6 +60,4 @@ T5373:
 .PHONY: T13702
 T13702:
 	'$(TEST_HC)' -v0 -dynamic -rdynamic -fPIC -pie T13702.hs
-	'$(TEST_HC)' -v0 -dynamic T13702a.hs
-	./T13702  # first make sure executable itself works
-	./T13702a # then try dynamically loading it as library
+	./T13702
diff --git a/testsuite/tests/dynlibs/T13702.hs b/testsuite/tests/dynlibs/T13702.hs
--- a/testsuite/tests/dynlibs/T13702.hs
+++ b/testsuite/tests/dynlibs/T13702.hs
@@ -2,8 +2,3 @@
 
 main :: IO ()
 main = putStrLn "hello world"
-
-foreign export ccall "hello" hello :: IO ()
-
-hello :: IO ()
-hello = putStrLn "hello world again"
diff --git a/testsuite/tests/dynlibs/T13702.stdout b/testsuite/tests/dynlibs/T13702.stdout
--- a/testsuite/tests/dynlibs/T13702.stdout
+++ b/testsuite/tests/dynlibs/T13702.stdout
@@ -1,2 +1 @@
 hello world
-hello world again
diff --git a/testsuite/tests/dynlibs/T13702a.hs b/testsuite/tests/dynlibs/T13702a.hs
deleted file mode 100644
--- a/testsuite/tests/dynlibs/T13702a.hs
+++ /dev/null
@@ -1,12 +0,0 @@
-{-# LANGUAGE ForeignFunctionInterface #-}
-
-import Foreign
-import System.Posix.DynamicLinker
-
-main :: IO ()
-main = do
-    dl <- dlopen "./T13702" [RTLD_NOW]
-    funptr <- dlsym dl "hello" :: IO (FunPtr (IO ()))
-    mkAction funptr
-
-foreign import ccall "dynamic" mkAction :: FunPtr (IO ()) -> IO ()
ommitter'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=cdc69de97d4afec0c651b1ba686936272c9bcc85'>root</a>/<a href='/guix/log/tests?id=cdc69de97d4afec0c651b1ba686936272c9bcc85'>tests</a>/<a href='/guix/log/tests/git.scm?id=cdc69de97d4afec0c651b1ba686936272c9bcc85'>git.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/git.scm?id=cdc69de97d4afec0c651b1ba686936272c9bcc85&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-07-18 17:31:19 +0200'>2024-07-18</span></td><td><a href='/guix/commit/tests/git.scm?id=58e268c2e30567f415fa4e02086e49299c31406a'>git: Remove untracked files from cached checkouts.</a><span class='msg-avail'>...<span class='msg-tooltip'>Cached checkouts could end up with stale untracked files, for example
because the checkout was interrupted.  As a result, when this happens
for the Guix checkout, users would not get substitutes for ‘guix pull’.

* guix/git.scm (delete-untracked-files): New procedure.
(switch-to-ref): Use it.
* tests/git.scm ("update-cached-checkout, untracked files removed"): New
test.

Co-authored-by: Ricardo Wurmus &lt;rekado@elephly.net&gt;
Change-Id: Iccbe644ade396ad27a037db7e0ef1c2a68ef91ce
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-09-26 17:36:59 +0200'>2023-09-26</span></td><td><a href='/guix/commit/tests/git.scm?id=ba21eeb565fe414b3647173068a0f3eadd174c06'>tests: Assume ‘git’ is always available.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/channels.scm (gpg+git-available?): Check for ‘gpg-command’
only.
Remove all ‘test-skip’ statements.
* tests/derivations.scm: Likewise.
* tests/git-authenticate.scm: Likewise.
* tests/git.scm: Likewise.
* tests/import-git.scm: Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-17 09:37:27 +0200'>2022-10-17</span></td><td><a href='/guix/commit/tests/git.scm?id=46f7011591601b4783b2dc2c7252c41564ca0140'>git: 'update-cached-checkout' returns the commit ID when given a tag.</a><span class='msg-avail'>...<span class='msg-tooltip'>Previously, starting with commit
efa578ecaece67366b4b0e2266de7c2faaa4ae54, 'update-cached-checkout' would
return the OID of the annotated tag the tag points to.  With this change
it returns the OID of the commit object in all cases.

* guix/git.scm (resolve-reference): In the 'tag' case, call
'tag-target-id' and 'tag-lookup' when OID designates an annotated tag.
* tests/git.scm ("update-cached-checkout, tag"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-02-14 11:23:07 +0100'>2022-02-14</span></td><td><a href='/guix/commit/tests/git.scm?id=87d49346f3072f7b4343b6fb387ee5f9311493b7'>git: Add 'commit-descendant?'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/git.scm (commit-descendant?): New procedure.
* tests/git.scm ("commit-descendant?"): New test.
</span></span></td><td>Ludovic Courtès</td></tr>