Make PeachPy processes deterministic:

  https://github.com/Maratyszcza/PeachPy/issues/88
  https://issues.guix.gnu.org/50672

diff --git a/peachpy/name.py b/peachpy/name.py
index b6a03dc..412079d 100644
--- a/peachpy/name.py
+++ b/peachpy/name.py
@@ -86,13 +86,13 @@ def add_scoped_name(self, scoped_name):
                 self.names[scope_name.name] = scope
         else:
             assert scope_name.name is None
-            self.prenames.setdefault(scope_name.prename, set())
+            self.prenames.setdefault(scope_name.prename, {})
             if subscoped_name:
                 for subscope in iter(self.prenames[scope_name.prename]):
                     if isinstance(subscope, Namespace) and subscope.scope_name is scope_name:
                         subscope.add_scoped_name(subscoped_name)
                         return
-            self.prenames[scope_name.prename].add(scope)
+            self.prenames[scope_name.prename][scope] = None
 
     def assign_names(self):
         # Step 1: assign names to symbols with prenames with no conflicts
a><a href='/guix/'>summary</a><a href='/guix/refs/?id=387b86ff003b051945ab08030169228556cc2a4a'>refs</a><a class='active' href='/guix/log/gnu/packages/fabric-management.scm'>log</a><a href='/guix/tree/gnu/packages/fabric-management.scm?id=387b86ff003b051945ab08030169228556cc2a4a'>tree</a><a href='/guix/commit/gnu/packages/fabric-management.scm?id=387b86ff003b051945ab08030169228556cc2a4a'>commit</a><a href='/guix/diff/gnu/packages/fabric-management.scm?id=387b86ff003b051945ab08030169228556cc2a4a'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/fabric-management.scm'>
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<div class='path'>path: <a href='/guix/log/?id=387b86ff003b051945ab08030169228556cc2a4a'>root</a>/<a href='/guix/log/gnu?id=387b86ff003b051945ab08030169228556cc2a4a'>gnu</a>/<a href='/guix/log/gnu/packages?id=387b86ff003b051945ab08030169228556cc2a4a'>packages</a>/<a href='/guix/log/gnu/packages/fabric-management.scm?id=387b86ff003b051945ab08030169228556cc2a4a'>fabric-management.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/gnu/packages/fabric-management.scm?id=387b86ff003b051945ab08030169228556cc2a4a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-03-27 11:34:50 +0200'>2023-03-27</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=c10bfa888545fb03d70a46ec70a676c69e6e0587'>gnu: ucx: Update to 1.14.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ucx): Update to 1.14.0.
* gnu/packages/patches/ucx-tcp-iface-ioctl.patch: Adapt patch to new ucx
  version.
</span></span></td><td>Guillaume Le Vaillant</td></tr>
<tr><td><span title='2023-02-23 16:31:35 +0100'>2023-02-23</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=96c335574d25f412ef1dda8b0949e59c32a27174'>gnu: ibutils: Fix compilation.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ibutils)[arguments]: Add CFLAGS
to #:configure-flags.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-02-23 16:31:35 +0100'>2023-02-23</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=f30946ce13ab7619ac3747db18003de61a0a651b'>gnu: ibutils: Use gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ibutils)[arguments]: Use gexps.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-02-23 16:31:35 +0100'>2023-02-23</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=73c738bc9e5374a1dc38237dfc067fa2c320d5bd'>gnu: infiniband-diags: Use gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (infiniband-diags)[arguments]: Use
gexps.  Replace reference to '%outputs' with references to #:outputs.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-02-23 16:31:35 +0100'>2023-02-23</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=9b3cc02acb446a55e5c810ad087cf87bcfd69da7'>gnu: ucx: Use gexps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ucx): Use gexps.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-02-23 16:31:35 +0100'>2023-02-23</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=b126eae021bc4af5f0c728fcf7ed136f0b82c08d'>gnu: ucx: Mark POWER9 as supported.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (ucx)[supported-systems]: Add
"powerpc64le-linux".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-11-14 15:43:35 +0200'>2022-11-14</span></td><td><a href='/guix/commit/gnu/packages/fabric-management.scm?id=2fc6d733f31e497f6a23cc8f14936bd66bc87831'>gnu: infinibadn-diags: Don't use autogenerated tarball.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/fabric-management.scm (infiniband-diags)[source]:
Download release tarball.
[native-inputs]: Remove autoconf, automake, libtool.
</span></span></td><td>Efraim Flashner</td></tr>