Revert "std: convert {vec,str}::to_owned to methods."

This fixes the strange random crashes in compile-fail tests.

This reverts commit 96cd61a.

Conflicts:
	src/librustc/driver/driver.rs
	src/libstd/str.rs
	src/libsyntax/ext/quote.rs

Author: brson

src/libextra/flatpipes.rs

@@ -450,7 +450,7 @@ pub mod flatteners {
                               T: Decodable<D>>(
                               buf: &[u8])
                               -> T {
-        let buf = buf.to_owned();
+        let buf = vec::to_owned(buf);
         let buf_reader = @BufReader::new(buf);
         let reader = buf_reader as @Reader;
         let mut deser: D = FromReader::from_reader(reader);

src/libextra/getopts.rs

@@ -345,7 +345,7 @@ pub fn getopts(args: &[~str], opts: &[Opt]) -> Result {
         }
         i += 1;
     }
-    return Ok(Matches {opts: opts.to_owned(),
+    return Ok(Matches {opts: vec::to_owned(opts),
                vals: vals,
                free: free});
 }
@@ -447,7 +447,7 @@ pub fn opt_default(mm: &Matches, nm: &str, def: &str) -> Option<~str> {
     let vals = opt_vals(mm, nm);
     if vals.is_empty() { return None::<~str>; }
     return match vals[0] { Val(ref s) => Some::<~str>(copy *s),
-                           _      => Some::<~str>(def.to_owned()) }
+                           _      => Some::<~str>(str::to_owned(def)) }
 }
 
 #[deriving(Eq)]
@@ -487,10 +487,10 @@ pub mod groups {
                   desc: &str, hint: &str) -> OptGroup {
         let len = short_name.len();
         assert!(len == 1 || len == 0);
-        return OptGroup { short_name: short_name.to_owned(),
-                long_name: long_name.to_owned(),
-                hint: hint.to_owned(),
-                desc: desc.to_owned(),
+        return OptGroup { short_name: str::to_owned(short_name),
+                long_name: str::to_owned(long_name),
+                hint: str::to_owned(hint),
+                desc: str::to_owned(desc),
                 hasarg: Yes,
                 occur: Req};
     }
@@ -500,10 +500,10 @@ pub mod groups {
                   desc: &str, hint: &str) -> OptGroup {
         let len = short_name.len();
         assert!(len == 1 || len == 0);
-        return OptGroup {short_name: short_name.to_owned(),
-                long_name: long_name.to_owned(),
-                hint: hint.to_owned(),
-                desc: desc.to_owned(),
+        return OptGroup {short_name: str::to_owned(short_name),
+                long_name: str::to_owned(long_name),
+                hint: str::to_owned(hint),
+                desc: str::to_owned(desc),
                 hasarg: Yes,
                 occur: Optional};
     }
@@ -513,10 +513,10 @@ pub mod groups {
                    desc: &str) -> OptGroup {
         let len = short_name.len();
         assert!(len == 1 || len == 0);
-        return OptGroup {short_name: short_name.to_owned(),
-                long_name: long_name.to_owned(),
+        return OptGroup {short_name: str::to_owned(short_name),
+                long_name: str::to_owned(long_name),
                 hint: ~"",
-                desc: desc.to_owned(),
+                desc: str::to_owned(desc),
                 hasarg: No,
                 occur: Optional};
     }
@@ -526,10 +526,10 @@ pub mod groups {
                       desc: &str, hint: &str) -> OptGroup {
         let len = short_name.len();
         assert!(len == 1 || len == 0);
-        return OptGroup {short_name: short_name.to_owned(),
-                long_name: long_name.to_owned(),
-                hint: hint.to_owned(),
-                desc: desc.to_owned(),
+        return OptGroup {short_name: str::to_owned(short_name),
+                long_name: str::to_owned(long_name),
+                hint: str::to_owned(hint),
+                desc: str::to_owned(desc),
                 hasarg: Maybe,
                 occur: Optional};
     }
@@ -542,10 +542,10 @@ pub mod groups {
                     desc: &str, hint: &str) -> OptGroup {
         let len = short_name.len();
         assert!(len == 1 || len == 0);
-        return OptGroup {short_name: short_name.to_owned(),
-                long_name: long_name.to_owned(),
-                hint: hint.to_owned(),
-                desc: desc.to_owned(),
+        return OptGroup {short_name: str::to_owned(short_name),
+                long_name: str::to_owned(long_name),
+                hint: str::to_owned(hint),
+                desc: str::to_owned(desc),
                 hasarg: Yes,
                 occur: Multi};
     }
@@ -654,7 +654,7 @@ pub mod groups {
             row
         });
 
-        return brief.to_owned() +
+        return str::to_owned(brief) +
                "\n\nOptions:\n" +
                rows.connect("\n") +
                "\n\n";

src/libextra/md4.rs

@@ -29,7 +29,7 @@ pub fn md4(msg: &[u8]) -> Quad {
     let orig_len: u64 = (msg.len() * 8u) as u64;
 
     // pad message
-    let mut msg = vec::append(msg.to_owned(), [0x80u8]);
+    let mut msg = vec::append(vec::to_owned(msg), [0x80u8]);
     let mut bitlen = orig_len + 8u64;
     while (bitlen + 64u64) % 512u64 > 0u64 {
         msg.push(0u8);

src/libextra/num/bigint.rs

@@ -564,7 +564,7 @@ impl BigUint {
     /// Creates and initializes an BigUint.
 
     pub fn from_slice(slice: &[BigDigit]) -> BigUint {
-        return BigUint::new(slice.to_owned());
+        return BigUint::new(vec::to_owned(slice));
     }
 
     /// Creates and initializes an BigUint.

src/libextra/stats.rs

@@ -16,6 +16,7 @@ use core::iterator::*;
 use core::f64;
 use core::cmp;
 use core::num;
+use core::vec;
 use sort;
 
 // NB: this can probably be rewritten in terms of num::Num
@@ -56,7 +57,7 @@ impl<'self> Stats for &'self [f64] {
 
     fn median(self) -> f64 {
         assert!(self.len() != 0);
-        let mut tmp = self.to_owned();
+        let mut tmp = vec::to_owned(self);
         sort::tim_sort(tmp);
         if tmp.len() & 1 == 0 {
             let m = tmp.len() / 2;

src/libextra/time.rs

@@ -1029,7 +1029,7 @@ mod tests {
 
         fn test(s: &str, format: &str) -> bool {
             match strptime(s, format) {
-              Ok(ref tm) => tm.strftime(format) == s.to_owned(),
+              Ok(ref tm) => tm.strftime(format) == str::to_owned(s),
               Err(e) => fail!(e)
             }
         }

src/libfuzzer/fuzzer.rc

@@ -328,7 +328,7 @@ pub fn check_variants_T<T:Copy>(crate: @ast::crate,
     if L < 100 {
         do under(uint::min(L, 20)) |i| {
             error!("Replacing... #%?", uint::to_str(i));
-            let fname = filename.to_str();
+            let fname = str::to_owned(filename.to_str());
             do under(uint::min(L, 30)) |j| {
                 let fname = fname.to_str();
                 error!("With... %?", stringifier(things[j], intr));

src/librustc/metadata/decoder.rs

@@ -570,7 +570,7 @@ pub fn maybe_get_item_ast(cdata: cmd, tcx: ty::ctxt,
     let item_doc = lookup_item(id, cdata.data);
     let path = {
         let item_path = item_path(item_doc);
-        item_path.init().to_owned()
+        vec::to_owned(item_path.init())
     };
     match decode_inlined_item(cdata, tcx, copy path, item_doc) {
       Some(ref ii) => csearch::found((/*bad*/copy *ii)),

src/librustc/metadata/encoder.rs

@@ -1521,7 +1521,7 @@ pub fn encode_metadata(parms: EncodeParams, crate: &crate) -> ~[u8] {
 
     let writer_bytes: &mut ~[u8] = wr.bytes;
 
-    metadata_encoding_version.to_owned() +
+    vec::to_owned(metadata_encoding_version) +
         flate::deflate_bytes(*writer_bytes)
 }
 

src/librustc/metadata/filesearch.rs

@@ -13,6 +13,7 @@ use core::prelude::*;
 use core::option;
 use core::os;
 use core::result;
+use core::str;
 
 // A module for searching for libraries
 // FIXME (#2658): I'm not happy how this module turned out. Should
@@ -80,7 +81,7 @@ pub fn mk_filesearch(maybe_sysroot: &Option<@Path>,
     @FileSearchImpl {
         sysroot: sysroot,
         addl_lib_search_paths: addl_lib_search_paths,
-        target_triple: target_triple.to_owned()
+        target_triple: str::to_owned(target_triple)
     } as @FileSearch
 }
 
@@ -106,7 +107,7 @@ pub fn search<T:Copy>(filesearch: @FileSearch, pick: pick<T>) -> Option<T> {
 
 pub fn relative_target_lib_path(target_triple: &str) -> Path {
     Path(libdir()).push_many([~"rustc",
-                              target_triple.to_owned(),
+                              str::to_owned(target_triple),
                               libdir()])
 }