move middle::const_eval to rustc_const_eval

mk/crates.mk

@@ -99,23 +99,23 @@ DEPS_rustc_driver := arena flate getopts graphviz libc rustc rustc_back rustc_bo
  rustc_trans rustc_privacy rustc_lint rustc_front rustc_plugin \
  rustc_metadata syntax_ext rustc_passes rustc_const_eval
 DEPS_rustc_front := std syntax log serialize
-DEPS_rustc_lint := rustc log syntax
+DEPS_rustc_lint := rustc log syntax rustc_const_eval
 DEPS_rustc_llvm := native:rustllvm libc std rustc_bitflags
 DEPS_rustc_metadata := rustc rustc_front syntax rbml
-DEPS_rustc_passes := syntax rustc core rustc_front
-DEPS_rustc_mir := rustc rustc_front syntax
+DEPS_rustc_passes := syntax rustc core rustc_front rustc_const_eval
+DEPS_rustc_mir := rustc rustc_front syntax rustc_const_eval
 DEPS_rustc_resolve := arena rustc rustc_front log syntax
 DEPS_rustc_platform_intrinsics := rustc rustc_llvm
 DEPS_rustc_plugin := rustc rustc_metadata syntax
 DEPS_rustc_privacy := rustc rustc_front log syntax
 DEPS_rustc_trans := arena flate getopts graphviz libc rustc rustc_back rustc_mir \
  log syntax serialize rustc_llvm rustc_front rustc_platform_intrinsics \
  rustc_const_eval
-DEPS_rustc_typeck := rustc syntax rustc_front rustc_platform_intrinsics
-DEPS_rustc_const_eval := rustc rustc_front rustc_back syntax
+DEPS_rustc_typeck := rustc syntax rustc_front rustc_platform_intrinsics rustc_const_eval
+DEPS_rustc_const_eval := rustc rustc_front rustc_back syntax graphviz log
 
 DEPS_rustdoc := rustc rustc_driver native:hoedown serialize getopts \
- test rustc_lint rustc_front
+ test rustc_lint rustc_front rustc_const_eval
 
 
 TOOL_DEPS_compiletest := test getopts

src/librustc/diagnostics.rs

@@ -1139,16 +1139,6 @@ that the value provided is a positive integer between quotes, like so:
 ```
 "##,
 
-E0306: r##"
-In an array literal `[x; N]`, `N` is the number of elements in the array. This
-number cannot be negative.
-"##,
-
-E0307: r##"
-The length of an array is part of its type. For this reason, this length must be
-a compile-time constant.
-"##,
-
 E0308: r##"
 This error occurs when the compiler was unable to infer the concrete type of a
 variable. It can occur for several cases, the most common of which is a