Only add cfguard module flag on windows-msvc

src/test/codegen/cfguard-checks.rs

@@ -1,4 +1,5 @@
 // compile-flags: -Z control-flow-guard=checks
+// only-msvc
 
 #![crate_type = "lib"]
 

src/test/codegen/cfguard-disabled.rs

@@ -1,4 +1,5 @@
 // compile-flags: -Z control-flow-guard=no
+// only-msvc
 
 #![crate_type = "lib"]
 

src/test/codegen/cfguard-nochecks.rs

@@ -1,4 +1,5 @@
 // compile-flags: -Z control-flow-guard=nochecks
+// only-msvc
 
 #![crate_type = "lib"]
 

src/test/codegen/cfguard-non-msvc.rs

@@ -0,0 +1,11 @@
+// compile-flags: -Z control-flow-guard
+// ignore-msvc
+
+#![crate_type = "lib"]
+
+// A basic test function.
+pub fn test() {
+}
+
+// Ensure the cfguard module flag is not added for non-MSVC targets.
+// CHECK-NOT: !"cfguard"

src/test/ui/cfguard-run.rs

@@ -0,0 +1,6 @@
+// run-pass
+// compile-flags: -Z control-flow-guard
+
+pub fn main() {
+    println!("hello, world");
+}