diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index 50e7a42b7b17c..b0e8a47605beb 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -986,7 +986,7 @@ pub trait WriterUtil {
 
 impl<T:Writer> WriterUtil for T {
     fn write_char(&self, ch: char) {
-        if ch as uint < 128u {
+        if (ch as uint) < 128u {
             self.write(&[ch as u8]);
         } else {
             self.write_str(str::from_char(ch));
diff --git a/src/libcore/num/strconv.rs b/src/libcore/num/strconv.rs
index 50fc1b03ccc2e..d471eda74c66b 100644
--- a/src/libcore/num/strconv.rs
+++ b/src/libcore/num/strconv.rs
@@ -165,7 +165,7 @@ pub pure fn to_str_bytes_common<T:NumCast+Zero+One+Eq+Ord+NumStrConv+Copy+
                                   Div<T,T>+Neg<T>+Modulo<T,T>+Mul<T,T>>(
         num: &T, radix: uint, negative_zero: bool,
         sign: SignFormat, digits: SignificantDigits) -> (~[u8], bool) {
-    if radix as int <  2 {
+    if (radix as int) < 2 {
         fail!(fmt!("to_str_bytes_common: radix %? to low, \
                    must lie in the range [2, 36]", radix));
     } else if radix as int > 36 {
@@ -455,10 +455,10 @@ pub pure fn from_str_bytes_common<T:NumCast+Zero+One+Ord+Copy+Div<T,T>+
         _ if special && radix >= DIGIT_I_RADIX // first digit of 'inf'
           => fail!(fmt!("from_str_bytes_common: radix %? incompatible with \
                         special values 'inf' and 'NaN'", radix)),
-        _ if radix as int < 2
+        _ if (radix as int) < 2
           => fail!(fmt!("from_str_bytes_common: radix %? to low, \
                         must lie in the range [2, 36]", radix)),
-        _ if radix as int > 36
+        _ if (radix as int) > 36
           => fail!(fmt!("from_str_bytes_common: radix %? to high, \
                         must lie in the range [2, 36]", radix)),
         _ => ()
diff --git a/src/libcore/repr.rs b/src/libcore/repr.rs
index 83df9b7c00fc3..73c3ea91604b6 100644
--- a/src/libcore/repr.rs
+++ b/src/libcore/repr.rs
@@ -242,7 +242,7 @@ pub impl ReprVisitor {
         let (sz, al) = unsafe { ((*inner).size, (*inner).align) };
         self.writer.write_char('[');
         let mut first = true;
-        while p as uint < end as uint {
+        while (p as uint) < (end as uint) {
             if first {
                 first = false;
             } else {
diff --git a/src/libcore/unstable/extfmt.rs b/src/libcore/unstable/extfmt.rs
index b682f88b70e53..45766e97260b3 100644
--- a/src/libcore/unstable/extfmt.rs
+++ b/src/libcore/unstable/extfmt.rs
@@ -536,7 +536,7 @@ pub mod rt {
         // displayed
         let mut unpadded = match cv.precision {
           CountImplied => s.to_owned(),
-          CountIs(max) => if max as uint < str::char_len(s) {
+          CountIs(max) => if (max as uint) < str::char_len(s) {
             str::substr(s, 0, max as uint)
           } else {
             s.to_owned()
diff --git a/src/libstd/time.rs b/src/libstd/time.rs
index d768eef9a8c9b..c72b3675c4cb5 100644
--- a/src/libstd/time.rs
+++ b/src/libstd/time.rs
@@ -819,8 +819,8 @@ priv fn do_strftime(format: &str, tm: &Tm) -> ~str {
           'M' => fmt!("%02d", tm.tm_min as int),
           'm' => fmt!("%02d", tm.tm_mon as int + 1),
           'n' => ~"\n",
-          'P' => if tm.tm_hour as int < 12 { ~"am" } else { ~"pm" },
-          'p' => if tm.tm_hour as int < 12 { ~"AM" } else { ~"PM" },
+          'P' => if (tm.tm_hour as int) < 12 { ~"am" } else { ~"pm" },
+          'p' => if (tm.tm_hour as int) < 12 { ~"AM" } else { ~"PM" },
           'R' => {
             fmt!("%s:%s",
                 parse_type('H', tm),
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 086bf86b4b268..de861075a5b80 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -581,7 +581,9 @@ pub impl Parser {
         }
     }
 
-    fn parse_ty(&self, colons_before_params: bool) -> @Ty {
+    // Useless second parameter for compatibility with quasiquote macros.
+    // Bleh!
+    fn parse_ty(&self, _: bool) -> @Ty {
         maybe_whole!(self, nt_ty);
 
         let lo = self.span.lo;
@@ -661,7 +663,7 @@ pub impl Parser {
             result
         } else if *self.token == token::MOD_SEP
             || is_ident_or_path(&*self.token) {
-            let path = self.parse_path_with_tps(colons_before_params);
+            let path = self.parse_path_with_tps(false);
             ty_path(path, self.get_id())
         } else {
             self.fatal(~"expected type");
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index ba9a5082132e7..72b734ed73dbb 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -370,10 +370,6 @@ pub fn print_opt_lifetime(s: @ps, lifetime: Option<@ast::Lifetime>) {
 }
 
 pub fn print_type(s: @ps, &&ty: @ast::Ty) {
-    print_type_ex(s, ty, false);
-}
-
-pub fn print_type_ex(s: @ps, &&ty: @ast::Ty, print_colons: bool) {
     maybe_print_comment(s, ty.span.lo);
     ibox(s, 0u);
     match ty.node {
@@ -415,7 +411,7 @@ pub fn print_type_ex(s: @ps, &&ty: @ast::Ty, print_colons: bool) {
                       f.purity, f.onceness, &f.decl, None,
                       None, None);
       }
-      ast::ty_path(path, _) => print_path(s, path, print_colons),
+      ast::ty_path(path, _) => print_path(s, path, false),
       ast::ty_fixed_length_vec(ref mt, v) => {
         word(s.s, ~"[");
         match mt.mutbl {
@@ -1211,7 +1207,7 @@ pub fn print_expr(s: @ps, &&expr: @ast::expr) {
         print_expr(s, expr);
         space(s.s);
         word_space(s, ~"as");
-        print_type_ex(s, ty, true);
+        print_type(s, ty);
       }
       ast::expr_if(test, ref blk, elseopt) => {
         print_if(s, test, blk, elseopt, false);