also test parts of std

Author: RalfJung

library/std/benches/lib.rs

@@ -1,3 +1,5 @@
+// Disabling in Miri as these would take too long.
+#![cfg(not(miri))]
 #![feature(test)]
 
 extern crate test;

src/bootstrap/mk/Makefile.in

@@ -57,11 +57,21 @@ check-aux:
 		library/core \
 		library/alloc \
 		--no-doc
+	# Some doctests have intentional memory leaks.
 	$(Q)MIRIFLAGS="-Zmiri-ignore-leaks -Zmiri-disable-isolation" \
 		$(BOOTSTRAP) miri --stage 2 \
 		library/core \
 		library/alloc \
 		--doc
+	# In `std` we cannot test everything, so we test the most target-dependent modules.
+	$(Q)MIRIFLAGS="-Zmiri-disable-isolation" BOOTSTRAP_SKIP_TARGET_SANITY=1 \
+		$(BOOTSTRAP) miri --stage 2 library/std \
+		--no-doc -- \
+		time:: sync:: thread:: env::
+	$(Q)MIRIFLAGS="-Zmiri-ignore-leaks -Zmiri-disable-isolation" BOOTSTRAP_SKIP_TARGET_SANITY=1 \
+		$(BOOTSTRAP) miri --stage 2 library/std \
+		--doc -- \
+		time:: sync:: thread:: env::
 dist:
 	$(Q)$(BOOTSTRAP) dist $(BOOTSTRAP_ARGS)
 distcheck: