Merge remote-tracking branch 'mozilla/incoming' into issue-5910-dyna-freeze

Conflicts:
	src/libcore/core.rc
	src/libcore/hashmap.rs
	src/libcore/num/f32.rs
	src/libcore/num/f64.rs
	src/libcore/num/float.rs
	src/libcore/num/int-template.rs
	src/libcore/num/num.rs
	src/libcore/num/strconv.rs
	src/libcore/num/uint-template.rs
	src/libcore/ops.rs
	src/libcore/os.rs
	src/libcore/prelude.rs
	src/libcore/rt/mod.rs
	src/libcore/unstable/lang.rs
	src/librustc/driver/session.rs
	src/librustc/middle/astencode.rs
	src/librustc/middle/borrowck/check_loans.rs
	src/librustc/middle/borrowck/gather_loans.rs
	src/librustc/middle/borrowck/loan.rs
	src/librustc/middle/borrowck/preserve.rs
	src/librustc/middle/liveness.rs
	src/librustc/middle/mem_categorization.rs
	src/librustc/middle/region.rs
	src/librustc/middle/trans/base.rs
	src/librustc/middle/trans/inline.rs
	src/librustc/middle/trans/reachable.rs
	src/librustc/middle/typeck/check/_match.rs
	src/librustc/middle/typeck/check/regionck.rs
	src/librustc/util/ppaux.rs
	src/libstd/arena.rs
	src/libstd/ebml.rs
	src/libstd/json.rs
	src/libstd/serialize.rs
	src/libstd/std.rc
	src/libsyntax/ast_map.rs
	src/libsyntax/parse/parser.rs
	src/test/compile-fail/borrowck-uniq-via-box.rs
	src/test/compile-fail/regions-infer-borrow-scope-within-loop.rs
	src/test/run-pass/borrowck-nested-calls.rs

src/rt/rust_builtin.cpp

@@ -870,6 +870,63 @@ rust_initialize_global_state() {
     }
 }
 
+extern "C" CDECL memory_region*
+rust_new_memory_region(uintptr_t synchronized,
+                       uintptr_t detailed_leaks,
+                       uintptr_t poison_on_free) {
+    return new memory_region((bool)synchronized,
+                             (bool)detailed_leaks,
+                             (bool)poison_on_free);
+}
+
+extern "C" CDECL void
+rust_delete_memory_region(memory_region *region) {
+    delete region;
+}
+
+extern "C" CDECL boxed_region*
+rust_new_boxed_region(memory_region *region,
+                      uintptr_t poison_on_free) {
+    return new boxed_region(region, poison_on_free);
+}
+
+extern "C" CDECL void
+rust_delete_boxed_region(boxed_region *region) {
+    delete region;
+}
+
+extern "C" CDECL rust_opaque_box*
+rust_boxed_region_malloc(boxed_region *region, type_desc *td, size_t size) {
+    return region->malloc(td, size);
+}
+
+extern "C" CDECL void
+rust_boxed_region_free(boxed_region *region, rust_opaque_box *box) {
+    region->free(box);
+}
+
+typedef void *(rust_try_fn)(void*, void*);
+
+extern "C" CDECL uintptr_t
+rust_try(rust_try_fn f, void *fptr, void *env) {
+    try {
+        f(fptr, env);
+    } catch (uintptr_t token) {
+        assert(token != 0);
+        return token;
+    }
+    return 0;
+}
+
+extern "C" CDECL void
+rust_begin_unwind(uintptr_t token) {
+#ifndef __WIN32__
+    throw token;
+#else
+    abort();
+#endif
+}
+
 //
 // Local Variables:
 // mode: C++