Description: Ignore errors in the profile task.
 This is a rewrite of the profile task. We run the tests sequentially, and only
 once at a time.

Forwarded: no

--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -856,7 +856,16 @@
 	$(MAKE) profile-gen-stamp
 	# Next, run the profile task to generate the profile information.
 	@ # FIXME: can't run for a cross build
-	$(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK)
+	task="$(PROFILE_TASK)"; \
+	case "$$task" in \
+	*-s\ *) \
+	  $(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $$task; \
+	  while [ -f $(abs_builddir)/build/pynexttest ]; do \
+	    $(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $$task; \
+	  done;; \
+	*) \
+	  $(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $$task; \
+	esac || true
 	$(LLVM_PROF_MERGER)
 	# Remove profile generation binary since we are done with it.
 	$(MAKE) clean-retain-profile