Remove unused str_style field

Author: mrhota

src/librustc/hir/lowering.rs

@@ -645,7 +645,6 @@ impl<'a> LoweringContext<'a> {
     fn lower_global_asm(&mut self, ga: &GlobalAsm) -> P<hir::GlobalAsm> {
         P(hir::GlobalAsm {
             asm: ga.asm,
-            asm_str_style: ga.asm_str_style,
             expn_id: ga.expn_id,
         })
     }

src/librustc/hir/mod.rs

@@ -1493,7 +1493,6 @@ pub struct ForeignMod {
 #[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
 pub struct GlobalAsm {
     pub asm: Symbol,
-    pub asm_str_style: StrStyle,
     pub expn_id: ExpnId
 }
 

src/libsyntax/ast.rs

@@ -1630,7 +1630,6 @@ pub struct ForeignMod {
 #[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
 pub struct GlobalAsm {
     pub asm: Symbol,
-    pub asm_str_style: StrStyle,
     pub expn_id: ExpnId,
 }
 

src/libsyntax_ext/global_asm.rs

@@ -45,7 +45,7 @@ pub fn expand_global_asm<'cx>(cx: &'cx mut ExtCtxt,
     }
 
     let mut p = cx.new_parser_from_tts(tts);
-    let (asm, asm_str_style) = match expr_to_string(cx,
+    let (asm, _) = match expr_to_string(cx,
                                                     panictry!(p.parse_expr()),
                                                     "inline assembly must be a string literal") {
         Some((s, st)) => (s, st),
@@ -67,7 +67,6 @@ pub fn expand_global_asm<'cx>(cx: &'cx mut ExtCtxt,
         id: ast::DUMMY_NODE_ID,
         node: ast::ItemKind::GlobalAsm(P(ast::GlobalAsm {
             asm: asm,
-            asm_str_style: asm_str_style,
             expn_id: expn_id,
         })),
         vis: ast::Visibility::Inherited,