Rollup merge of #141960 - ferrocene:lw/2015-paths2, r=compiler-errors

Use non-2015 edition paths in tests that do not test for their resolution

This allows for testing these tests on editions other than 2015

Follow up to #141888

Author: matthiaskrgr

tests/ui/issues/issue-20427.rs

@@ -59,7 +59,7 @@ mod reuse {
 
     pub fn check<u16>() {
         assert_eq!(size_of::<u8>(), 8);
-        assert_eq!(size_of::<::u64>(), 0);
+        assert_eq!(size_of::<crate::u64>(), 0);
         assert_eq!(size_of::<i16>(), 3 * size_of::<*const ()>());
         assert_eq!(size_of::<u16>(), 0);
     }

tests/ui/issues/issue-28983.rs

@@ -7,7 +7,7 @@ impl Test for u32 {
 
 pub mod export {
     #[no_mangle]
-    pub extern "C" fn issue_28983(t: <u32 as ::Test>::T) -> i32 { t*3 }
+    pub extern "C" fn issue_28983(t: <u32 as crate::Test>::T) -> i32 { t*3 }
 }
 
 // to test both exporting and importing functions, import

tests/ui/issues/issue-31776.rs

@@ -8,7 +8,7 @@ struct S;
 
 mod m {
     fn f() {
-        impl ::S {
+        impl crate::S {
             pub fn s(&self) {}
         }
     }
@@ -24,7 +24,7 @@ pub struct S1;
 fn f() {
     pub struct Z;
 
-    impl ::Tr for ::S1 {
+    impl crate::Tr for crate::S1 {
         type A = Z; // Private-in-public error unless `struct Z` is pub
     }
 }
@@ -43,7 +43,7 @@ mod m1 {
             pub field: u8
         }
 
-        impl ::Tr1 for ::S2 {
+        impl crate::Tr1 for crate::S2 {
             type A = Z;
             fn pull(&self) -> Self::A { Z{field: 10} }
         }

tests/ui/issues/issue-32797.rs

@@ -7,7 +7,7 @@ mod bar {
 
 pub use baz::*;
 mod baz {
-    pub use main as f;
+    pub use crate::main as f;
 }
 
 pub fn main() {}

tests/ui/issues/issue-41053.rs

@@ -11,7 +11,7 @@ impl Iterator for Foo {
     type Item = Box<dyn Trait>;
     fn next(&mut self) -> Option<Box<dyn Trait>> {
         extern crate issue_41053;
-        impl ::Trait for issue_41053::Test {
+        impl crate::Trait for issue_41053::Test {
             fn foo(&self) {}
         }
         Some(Box::new(issue_41053::Test))

tests/ui/issues/issue-47364.rs

@@ -18,18 +18,18 @@ pub enum IResult<I,O> {
     Incomplete(u32, u64)
 }
 
-pub fn multispace<T: Copy>(input: T) -> ::IResult<i8, i8> {
-    ::IResult::Done(0, 0)
+pub fn multispace<T: Copy>(input: T) -> crate::IResult<i8, i8> {
+    crate::IResult::Done(0, 0)
 }
 
 mod nom_sql {
-    fn where_clause(i: &[u8]) -> ::IResult<&[u8], Option<String>> {
-        let X = match ::multispace(i) {
-            ::IResult::Done(..) => ::IResult::Done(i, None::<String>),
-            _ => ::IResult::Error(::Err::NodePosition(0)),
+    fn where_clause(i: &[u8]) -> crate::IResult<&[u8], Option<String>> {
+        let X = match crate::multispace(i) {
+            crate::IResult::Done(..) => crate::IResult::Done(i, None::<String>),
+            _ => crate::IResult::Error(crate::Err::NodePosition(0)),
         };
         match X {
-            ::IResult::Done(_, _) => ::IResult::Done(i, None),
+            crate::IResult::Done(_, _) => crate::IResult::Done(i, None),
             _ => X
         }
     }
@@ -39,16 +39,16 @@ mod nom_sql {
             match {
                 where_clause(i)
             } {
-                ::IResult::Done(_, o) => ::IResult::Done(i, Some(o)),
-                ::IResult::Error(_) => ::IResult::Done(i, None),
-                _ => ::IResult::Incomplete(0, 0),
+                crate::IResult::Done(_, o) => crate::IResult::Done(i, Some(o)),
+                crate::IResult::Error(_) => crate::IResult::Done(i, None),
+                _ => crate::IResult::Incomplete(0, 0),
             }
         } {
-            ::IResult::Done(z, _) => ::IResult::Done(z, None::<String>),
+            crate::IResult::Done(z, _) => crate::IResult::Done(z, None::<String>),
             _ => return ()
         };
         match Y {
-            ::IResult::Done(x, _) => {
+            crate::IResult::Done(x, _) => {
                 let bytes = b";   ";
                 let len = x.len();
                 bytes[len];

tests/ui/issues/issue-50187.rs

@@ -13,20 +13,20 @@ mod macro_ns {
 }
 
 mod merge2 {
-    pub use type_ns::A;
-    pub use value_ns::A;
+    pub use crate::type_ns::A;
+    pub use crate::value_ns::A;
 }
 mod merge3 {
-    pub use type_ns::A;
-    pub use value_ns::A;
-    pub use macro_ns::A;
+    pub use crate::type_ns::A;
+    pub use crate::value_ns::A;
+    pub use crate::macro_ns::A;
 }
 
 mod use2 {
-    pub use merge2::A;
+    pub use crate::merge2::A;
 }
 mod use3 {
-    pub use merge3::A;
+    pub use crate::merge3::A;
 }
 
 fn main() {

tests/ui/issues/issue-50761.rs

@@ -14,7 +14,7 @@ mod b {
     }
 
     impl Builder {
-        pub fn with_a(&mut self, _a: fn() -> dyn (::a::A)) {}
+        pub fn with_a(&mut self, _a: fn() -> dyn (crate::a::A)) {}
     }
 }
 

tests/ui/issues/issue-6936.rs

@@ -1,22 +1,22 @@
 struct T;
 
 mod t1 {
-    type Foo = ::T;
+    type Foo = crate::T;
     mod Foo {} //~ ERROR the name `Foo` is defined multiple times
 }
 
 mod t2 {
-    type Foo = ::T;
+    type Foo = crate::T;
     struct Foo; //~ ERROR the name `Foo` is defined multiple times
 }
 
 mod t3 {
-    type Foo = ::T;
+    type Foo = crate::T;
     enum Foo {} //~ ERROR the name `Foo` is defined multiple times
 }
 
 mod t4 {
-    type Foo = ::T;
+    type Foo = crate::T;
     fn Foo() {} // ok
 }
 
@@ -26,7 +26,7 @@ mod t5 {
 }
 
 mod t6 {
-    type Foo = ::T;
+    type Foo = crate::T;
     impl Foo {} // ok
 }
 

tests/ui/issues/issue-6936.stderr

@@ -1,8 +1,8 @@
 error[E0428]: the name `Foo` is defined multiple times
   --> $DIR/issue-6936.rs:5:5
    |
-LL |     type Foo = ::T;
-   |     --------------- previous definition of the type `Foo` here
+LL |     type Foo = crate::T;
+   |     -------------------- previous definition of the type `Foo` here
 LL |     mod Foo {}
    |     ^^^^^^^ `Foo` redefined here
    |
@@ -11,8 +11,8 @@ LL |     mod Foo {}
 error[E0428]: the name `Foo` is defined multiple times
   --> $DIR/issue-6936.rs:10:5
    |
-LL |     type Foo = ::T;
-   |     --------------- previous definition of the type `Foo` here
+LL |     type Foo = crate::T;
+   |     -------------------- previous definition of the type `Foo` here
 LL |     struct Foo;
    |     ^^^^^^^^^^^ `Foo` redefined here
    |
@@ -21,8 +21,8 @@ LL |     struct Foo;
 error[E0428]: the name `Foo` is defined multiple times
   --> $DIR/issue-6936.rs:15:5
    |
-LL |     type Foo = ::T;
-   |     --------------- previous definition of the type `Foo` here
+LL |     type Foo = crate::T;
+   |     -------------------- previous definition of the type `Foo` here
 LL |     enum Foo {}
    |     ^^^^^^^^ `Foo` redefined here
    |