test more enum-int-cast code paths

RalfJung · RalfJung · commit 9c9a947bf4b9 · 2019-06-11T19:41:43.000+02:00
diff --git a/tests/run-pass/c_enums.rs b/tests/run-pass/c_enums.rs
@@ -11,11 +11,13 @@ enum Signed {
 }
 
 fn foo() -> [u8; 3] {
-    [Foo::Bar as u8, Foo::Baz as u8, Foo::Quux as u8]
+    let baz = Foo::Baz; // let-expansion changes the MIR significantly
+    [Foo::Bar as u8, baz as u8, Foo::Quux as u8]
 }
 
 fn signed() -> [i8; 3] {
-    [Signed::Bar as i8, Signed::Baz as i8, Signed::Quux as i8]
+    let baz = Signed::Baz; // let-expansion changes the MIR significantly
+    [Signed::Bar as i8, baz as i8, Signed::Quux as i8]
 }
 
 fn unsafe_match() -> bool {

Original file line number	Diff line number	Diff line change
`@@ -11,11 +11,13 @@ enum Signed {`
`11`	`11`	`}`
`12`	`12`
`13`	`13`	`fn foo() -> [u8; 3] {`
`14`		`- [Foo::Bar as u8, Foo::Baz as u8, Foo::Quux as u8]`
	`14`	`+ let baz = Foo::Baz; // let-expansion changes the MIR significantly`
	`15`	`+ [Foo::Bar as u8, baz as u8, Foo::Quux as u8]`
`15`	`16`	`}`
`16`	`17`
`17`	`18`	`fn signed() -> [i8; 3] {`
`18`		`- [Signed::Bar as i8, Signed::Baz as i8, Signed::Quux as i8]`
	`19`	`+ let baz = Signed::Baz; // let-expansion changes the MIR significantly`
	`20`	`+ [Signed::Bar as i8, baz as i8, Signed::Quux as i8]`
`19`	`21`	`}`
`20`	`22`
`21`	`23`	`fn unsafe_match() -> bool {`