Add test for help output with -W

rust-lang · Apr 28, 2022 · 4d548f9 · 4d548f9
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diff --git a/src/test/run-make/issue-88756-opt-help/Makefile b/src/test/run-make/issue-88756-opt-help/Makefile
@@ -0,0 +1,4 @@
+-include ../../run-make-fulldeps/tools.mk
+
+all:
+	$(RUSTDOC) -W help 2>&1 | diff - output-default.stdout
diff --git a/src/test/run-make/issue-88756-opt-help/README.md b/src/test/run-make/issue-88756-opt-help/README.md
@@ -0,0 +1 @@
+This is a test to verify that `rustdoc` behaves the same as rustc and prints out help output for its options like -W (#88756).