Rename directories for some crates from `syntax_x` to `rustc_x`

`syntax_expand` -> `rustc_expand`
`syntax_pos` -> `rustc_span`
`syntax_ext` -> `rustc_builtin_macros`

1 files changed, 0 insertions, 20 deletions

diff --git a/src/libsyntax_ext/compile_error.rs b/src/libsyntax_ext/compile_error.rs
deleted file mode 100644
index 394259fc67b..00000000000
--- a/src/libsyntax_ext/compile_error.rs
+++ /dev/null
@@ -1,20 +0,0 @@
-// The compiler code necessary to support the compile_error! extension.
-
-use syntax::tokenstream::TokenStream;
-use syntax_expand::base::{self, *};
-use syntax_pos::Span;
-
-pub fn expand_compile_error<'cx>(
-    cx: &'cx mut ExtCtxt<'_>,
-    sp: Span,
-    tts: TokenStream,
-) -> Box<dyn base::MacResult + 'cx> {
-    let var = match get_single_str_from_tts(cx, sp, tts, "compile_error!") {
-        None => return DummyResult::any(sp),
-        Some(v) => v,
-    };
-
-    cx.span_err(sp, &var);
-
-    DummyResult::any(sp)
-}