Add run-make test testing flag stability

rylev · rylev · commit 81da9b48aafa · 2021-06-03T10:18:38.000+02:00
diff --git a/src/doc/unstable-book/src/compiler-flags/force-warns.md b/src/doc/unstable-book/src/compiler-flags/force-warns.md
@@ -12,7 +12,7 @@ This feature allows you to cause any lint to produce a warning even if the lint
 #![allow(dead_code)]
 
 fn dead_function() {}
-// This would normally not produce a warning even though the 
+// This would normally not produce a warning even though the
 // function is not used, because dead code is being allowed
 
 fn main() {}
diff --git a/src/test/run-make/unstable-flag-required/Makefile b/src/test/run-make/unstable-flag-required/Makefile
@@ -2,3 +2,4 @@
 
 all:
 	$(RUSTDOC) --output-format=json x.html 2>&1 | diff - output-format-json.stderr
+	$(RUSTC) --force-warns dead_code x.rs 2>&1 | diff - force-warns.stderr
diff --git a/src/test/run-make/unstable-flag-required/force-warns.stderr b/src/test/run-make/unstable-flag-required/force-warns.stderr
@@ -0,0 +1,2 @@
+error: the `-Z unstable-options` flag must also be passed to enable the flag `--force-warns=lints`
+

Original file line number	Diff line number	Diff line change
`@@ -2,3 +2,4 @@`
`2`	`2`
`3`	`3`	`all:`
`4`	`4`	`$(RUSTDOC) --output-format=json x.html 2>&1 \| diff - output-format-json.stderr`
	`5`	`+ $(RUSTC) --force-warns dead_code x.rs 2>&1 \| diff - force-warns.stderr`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+error: the `-Z unstable-options` flag must also be passed to enable the flag `--force-warns=lints`
	`2`	`+`