Auto merge of #48510 - Manishearth:rollup, r=Manishearth

Rollup of 15 pull requests

- Successful merges: #47987, #48056, #48061, #48084, #48143, #48185, #48206, #48208, #48232, #48246, #48258, #48317, #48353, #48356, #48402
- Failed merges:

src/libcore/macros.rs

@@ -19,7 +19,10 @@ macro_rules! panic {
     ($msg:expr) => ({
         $crate::panicking::panic(&($msg, file!(), line!(), __rust_unstable_column!()))
     });
-    ($fmt:expr, $($arg:tt)*) => ({
+    ($msg:expr,) => (
+        panic!($msg)
+    );
+    ($fmt:expr, $($arg:tt)+) => ({
         $crate::panicking::panic_fmt(format_args!($fmt, $($arg)*),
                                      &(file!(), line!(), __rust_unstable_column!()))
     });
@@ -79,6 +82,9 @@ macro_rules! assert {
             panic!(concat!("assertion failed: ", stringify!($cond)))
         }
     );
+    ($cond:expr,) => (
+        assert!($cond)
+    );
     ($cond:expr, $($arg:tt)+) => (
         if !$cond {
             panic!($($arg)+)
@@ -359,7 +365,8 @@ macro_rules! try {
         $crate::result::Result::Err(err) => {
             return $crate::result::Result::Err($crate::convert::From::from(err))
         }
-    })
+    });
+    ($expr:expr,) => (try!($expr));
 }
 
 /// Write formatted data into a buffer.
@@ -456,6 +463,9 @@ macro_rules! writeln {
     ($dst:expr) => (
         write!($dst, "\n")
     );
+    ($dst:expr,) => (
+        writeln!($dst)
+    );
     ($dst:expr, $fmt:expr) => (
         write!($dst, concat!($fmt, "\n"))
     );
@@ -524,6 +534,9 @@ macro_rules! unreachable {
     ($msg:expr) => ({
         unreachable!("{}", $msg)
     });
+    ($msg:expr,) => ({
+        unreachable!($msg)
+    });
     ($fmt:expr, $($arg:tt)*) => ({
         panic!(concat!("internal error: entered unreachable code: ", $fmt), $($arg)*)
     });
@@ -603,7 +616,10 @@ mod builtin {
     #[stable(feature = "compile_error_macro", since = "1.20.0")]
     #[macro_export]
     #[cfg(dox)]
-    macro_rules! compile_error { ($msg:expr) => ({ /* compiler built-in */ }) }
+    macro_rules! compile_error {
+        ($msg:expr) => ({ /* compiler built-in */ });
+        ($msg:expr,) => ({ /* compiler built-in */ });
+    }
 
     /// The core macro for formatted string creation & output.
     ///
@@ -639,7 +655,10 @@ mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[macro_export]
     #[cfg(dox)]
-    macro_rules! option_env { ($name:expr) => ({ /* compiler built-in */ }) }
+    macro_rules! option_env {
+        ($name:expr) => ({ /* compiler built-in */ });
+        ($name:expr,) => ({ /* compiler built-in */ });
+    }
 
     /// Concatenate identifiers into one identifier.
     ///
@@ -715,7 +734,10 @@ mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[macro_export]
     #[cfg(dox)]
-    macro_rules! include_str { ($file:expr) => ({ /* compiler built-in */ }) }
+    macro_rules! include_str {
+        ($file:expr) => ({ /* compiler built-in */ });
+        ($file:expr,) => ({ /* compiler built-in */ });
+    }
 
     /// Includes a file as a reference to a byte array.
     ///
@@ -725,7 +747,10 @@ mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[macro_export]
     #[cfg(dox)]
-    macro_rules! include_bytes { ($file:expr) => ({ /* compiler built-in */ }) }
+    macro_rules! include_bytes {
+        ($file:expr) => ({ /* compiler built-in */ });
+        ($file:expr,) => ({ /* compiler built-in */ });
+    }
 
     /// Expands to a string that represents the current module path.
     ///
@@ -755,5 +780,8 @@ mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[macro_export]
     #[cfg(dox)]
-    macro_rules! include { ($file:expr) => ({ /* compiler built-in */ }) }
+    macro_rules! include {
+        ($file:expr) => ({ /* compiler built-in */ });
+        ($file:expr,) => ({ /* compiler built-in */ });
+    }
 }

src/librustc/dep_graph/dep_node.rs

@@ -436,6 +436,9 @@ impl DepKind {
 }
 
 define_dep_nodes!( <'tcx>
+    // We use this for most things when incr. comp. is turned off.
+    [] Null,
+
     // Represents the `Krate` as a whole (the `hir::Krate` value) (as
     // distinct from the krate module). This is basically a hash of
     // the entire krate, so if you read from `Krate` (e.g., by calling
@@ -605,8 +608,8 @@ define_dep_nodes!( <'tcx>
     [input] MissingExternCrateItem(CrateNum),
     [input] UsedCrateSource(CrateNum),
     [input] PostorderCnums,
-    [input] HasCloneClosures(CrateNum),
-    [input] HasCopyClosures(CrateNum),
+    [] HasCloneClosures(CrateNum),
+    [] HasCopyClosures(CrateNum),
 
     // This query is not expected to have inputs -- as a result, it's
     // not a good candidate for "replay" because it's essentially a
@@ -625,13 +628,11 @@ define_dep_nodes!( <'tcx>
     [eval_always] CollectAndPartitionTranslationItems,
     [] ExportName(DefId),
     [] ContainsExternIndicator(DefId),
-    [] IsTranslatedFunction(DefId),
+    [] IsTranslatedItem(DefId),
     [] CodegenUnit(InternedString),
     [] CompileCodegenUnit(InternedString),
     [input] OutputFilenames,
     [anon] NormalizeTy,
-    // We use this for most things when incr. comp. is turned off.
-    [] Null,
 
     [] SubstituteNormalizeAndTestPredicates { key: (DefId, &'tcx Substs<'tcx>) },
 
@@ -642,6 +643,7 @@ define_dep_nodes!( <'tcx>
 
     [] GetSymbolExportLevel(DefId),
 
+    [input] Features,
 );
 
 trait DepNodeParams<'a, 'gcx: 'tcx + 'a, 'tcx: 'a> : fmt::Debug {