Fixes issue26307: The profile-opt build now applys PGO to the built-in

modules.

Makefile.pre.in

@@ -1595,7 +1595,7 @@ clean: pycremoval
 	-rm -f pybuilddir.txt
 	-rm -f Lib/lib2to3/*Grammar*.pickle
 	-rm -f Programs/_testembed Programs/_freeze_importlib
-	-rm -rf build
+	-find build -type f -a ! -name '*.gc??' -exec rm -f {} ';'
 
 profile-removal:
 	find . -name '*.gc??' -exec rm -f {} ';'

Misc/NEWS

@@ -10,6 +10,8 @@ Release date: TBA
 Core and Builtins
 -----------------
 
+- Issue #26307: The profile-opt build now applys PGO to the built-in modules.
+
 - Issue #27812: Properly clear out a generator's frame's backreference to the
   generator to prevent crashes in frame.clear().