rustc: Fix long lines

src/comp/middle/trans.rs

@@ -738,8 +738,8 @@ fn GEP_tup_like(bcx: @block_ctxt, t: ty::t, base: ValueRef, ixs: [int])
 
 // Replacement for the LLVM 'GEP' instruction when field indexing into a enum.
 // This function uses GEP_tup_like() above and automatically performs casts as
-// appropriate. @llblobptr is the data part of a enum value; its actual type is
-// meaningless, as it will be cast away.
+// appropriate. @llblobptr is the data part of a enum value; its actual type
+// is meaningless, as it will be cast away.
 fn GEP_tag(cx: @block_ctxt, llblobptr: ValueRef, tag_id: ast::def_id,
            variant_id: ast::def_id, ty_substs: [ty::t],
            ix: uint) : valid_variant_index(ix, cx, tag_id, variant_id) ->

src/comp/middle/trans_alt.rs

@@ -16,7 +16,8 @@ import syntax::print::pprust::pat_to_str;
 
 import trans_common::*;
 
-// An option identifying a branch (either a literal, a enum variant or a range)
+// An option identifying a branch (either a literal, a enum variant or a
+// range)
 enum opt {
     lit(@ast::expr);
     var(/* disr val */int, /* variant dids */{tg: def_id, var: def_id});

src/comp/syntax/ast.rs

@@ -68,8 +68,8 @@ enum crate_directive_ {
 
     // NB: cdir_view_item is *not* processed by the rest of the compiler; the
     // attached view_items are sunk into the crate's module during parsing,
-    // and processed (resolved, imported, etc.) there. This enum-variant exists
-    // only to preserve the view items in order in case we decide to
+    // and processed (resolved, imported, etc.) there. This enum-variant
+    // exists only to preserve the view items in order in case we decide to
     // pretty-print crates in the future.
     cdir_view_item(@view_item);