Bump version, upgrade bootstrap

This commit updates the version number to 1.17.0 as we're not on that version of
the nightly compiler, and at the same time this updates src/stage0.txt to
bootstrap from freshly minted beta compiler and beta Cargo.

mk/crates.mk

@@ -54,7 +54,7 @@ TARGET_CRATES := libc std term \
                  compiler_builtins core alloc \
                  std_unicode rustc_bitflags \
 		 alloc_system alloc_jemalloc \
-		 panic_abort panic_unwind unwind rustc_i128
+		 panic_abort panic_unwind unwind
 RUSTC_CRATES := rustc rustc_typeck rustc_mir rustc_borrowck rustc_resolve rustc_driver \
                 rustc_trans rustc_back rustc_llvm rustc_privacy rustc_lint \
                 rustc_data_structures rustc_platform_intrinsics rustc_errors \
@@ -92,25 +92,24 @@ DEPS_getopts := std
 DEPS_graphviz := std
 DEPS_log := std
 DEPS_num := std
-DEPS_serialize := std log rustc_i128
+DEPS_serialize := std log
 DEPS_term := std
 DEPS_test := std getopts term native:rust_test_helpers
-DEPS_rustc_i128 = std
 
 DEPS_syntax := std term serialize log arena libc rustc_bitflags std_unicode rustc_errors \
-			syntax_pos rustc_data_structures rustc_i128
+			syntax_pos rustc_data_structures
 DEPS_syntax_ext := syntax syntax_pos rustc_errors fmt_macros proc_macro
 DEPS_proc_macro := syntax syntax_pos rustc_plugin log
 DEPS_syntax_pos := serialize
 DEPS_proc_macro_plugin := syntax syntax_pos rustc_plugin
 
-DEPS_rustc_const_math := std syntax log serialize rustc_i128
+DEPS_rustc_const_math := std syntax log serialize
 DEPS_rustc_const_eval := rustc_const_math rustc syntax log serialize \
-			     rustc_back graphviz syntax_pos rustc_i128
+			     rustc_back graphviz syntax_pos
 
 DEPS_rustc := syntax fmt_macros flate arena serialize getopts \
               log graphviz rustc_llvm rustc_back rustc_data_structures\
-	      rustc_const_math syntax_pos rustc_errors rustc_i128
+	      rustc_const_math syntax_pos rustc_errors
 DEPS_rustc_back := std syntax flate log libc
 DEPS_rustc_borrowck := rustc log graphviz syntax syntax_pos rustc_errors rustc_mir
 DEPS_rustc_data_structures := std log serialize libc
@@ -121,20 +120,19 @@ DEPS_rustc_driver := arena flate getopts graphviz libc rustc rustc_back rustc_bo
                      rustc_passes rustc_save_analysis rustc_const_eval \
                      rustc_incremental syntax_pos rustc_errors proc_macro rustc_data_structures
 DEPS_rustc_errors := log libc serialize syntax_pos
-DEPS_rustc_lint := rustc log syntax syntax_pos rustc_const_eval rustc_i128
+DEPS_rustc_lint := rustc log syntax syntax_pos rustc_const_eval
 DEPS_rustc_llvm := native:rustllvm libc std rustc_bitflags
 DEPS_proc_macro := std syntax
 DEPS_rustc_metadata := rustc syntax syntax_pos rustc_errors rustc_const_math \
-			proc_macro syntax_ext rustc_i128
+			proc_macro syntax_ext
 DEPS_rustc_passes := syntax syntax_pos rustc core rustc_const_eval rustc_errors
-DEPS_rustc_mir := rustc syntax syntax_pos rustc_const_math rustc_const_eval rustc_bitflags \
-					rustc_i128
+DEPS_rustc_mir := rustc syntax syntax_pos rustc_const_math rustc_const_eval rustc_bitflags
 DEPS_rustc_resolve := arena rustc log syntax syntax_pos rustc_errors
 DEPS_rustc_platform_intrinsics := std
 DEPS_rustc_plugin := rustc rustc_metadata syntax syntax_pos rustc_errors
 DEPS_rustc_privacy := rustc log syntax syntax_pos
 DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back \
-                    log syntax serialize rustc_llvm rustc_platform_intrinsics rustc_i128 \
+                    log syntax serialize rustc_llvm rustc_platform_intrinsics \
                     rustc_const_math rustc_const_eval rustc_incremental rustc_errors syntax_pos
 DEPS_rustc_incremental := rustc syntax_pos serialize rustc_data_structures
 DEPS_rustc_save_analysis := rustc log syntax syntax_pos serialize
@@ -162,7 +160,6 @@ ONLY_RLIB_alloc := 1
 ONLY_RLIB_rand := 1
 ONLY_RLIB_collections := 1
 ONLY_RLIB_std_unicode := 1
-ONLY_RLIB_rustc_i128 := 1
 ONLY_RLIB_rustc_bitflags := 1
 ONLY_RLIB_alloc_system := 1
 ONLY_RLIB_alloc_jemalloc := 1

mk/main.mk

@@ -13,7 +13,7 @@
 ######################################################################
 
 # The version number
-CFG_RELEASE_NUM=1.16.0
+CFG_RELEASE_NUM=1.17.0
 
 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
 # NB Make sure it starts with a dot to conform to semver pre-release

src/liballoc/boxed.rs

@@ -293,7 +293,6 @@ impl<T: ?Sized> Box<T> {
     }
 }
 
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 unsafe impl<#[may_dangle] T: ?Sized> Drop for Box<T> {
     fn drop(&mut self) {

src/liballoc/heap.rs

@@ -143,14 +143,6 @@ unsafe fn exchange_malloc(size: usize, align: usize) -> *mut u8 {
     }
 }
 
-#[cfg(not(test))]
-#[cfg(stage0)]
-#[lang = "exchange_free"]
-#[inline]
-unsafe fn exchange_free(ptr: *mut u8, old_size: usize, align: usize) {
-    deallocate(ptr, old_size, align);
-}
-
 #[cfg(not(test))]
 #[lang = "box_free"]
 #[inline]