Fix a rebasing issue and addressed reviewer comment

Author: nrc

src/librustc/middle/cstore.rs

@@ -267,20 +267,28 @@ impl InlinedItem {
 
 // FIXME: find a better place for this?
 pub fn validate_crate_name(sess: Option<&Session>, s: &str, sp: Option<Span>) {
-    let say = |s: &str| {
-        match (sp, sess) {
-            (_, None) => panic!("{}", s),
-            (Some(sp), Some(sess)) => sess.span_fatal(sp, s),
-            (None, Some(sess)) => sess.fatal(s),
+    let mut err_count = 0;
+    {
+        let mut say = |s: &str| {
+            match (sp, sess) {
+                (_, None) => panic!("{}", s),
+                (Some(sp), Some(sess)) => sess.span_err(sp, s),
+                (None, Some(sess)) => sess.err(s),
+            }
+            err_count += 1;
+        };
+        if s.is_empty() {
+            say("crate name must not be empty");
+        }
+        for c in s.chars() {
+            if c.is_alphanumeric() { continue }
+            if c == '_'  { continue }
+            say(&format!("invalid character `{}` in crate name: `{}`", c, s));
         }
-    };
-    if s.is_empty() {
-        say("crate name must not be empty");
     }
-    for c in s.chars() {
-        if c.is_alphanumeric() { continue }
-        if c == '_'  { continue }
-        say(&format!("invalid character `{}` in crate name: `{}`", c, s));
+
+    if err_count > 0 {
+        sess.unwrap().abort_if_errors();
     }
 }
 

src/librustc_resolve/lib.rs

@@ -3038,7 +3038,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                           record_used: bool)
                           -> Option<LocalDef> {
         if identifier.name == special_idents::invalid.name {
-            return Some(LocalDef::from_def(DefErr));
+            return Some(LocalDef::from_def(Def::Err));
         }
 
         // First, check to see whether the name is a primitive type.