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Remove superfluous variable

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This commit is contained in:
Simonas Kazlauskas 2015-06-16 22:29:41 +03:00
parent ca72d7fe3f
commit 09ed27c05e
1 changed files with 0 additions and 2 deletions
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2
src/libsyntax/ext/base.rs
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@ -681,7 +681,6 @@ impl<'a> ExtCtxt<'a> {
pub fn expansion_cause(&self) -> Span {
let mut expn_id = self.backtrace;
let mut last_macro = None;
let mut current_expn = None;
loop {
if self.codemap().with_expn_info(expn_id, |info| {
info.map_or(None, |i| {
@ -690,7 +689,6 @@ impl<'a> ExtCtxt<'a> {
return None;
}
expn_id = i.call_site.expn_id;
current_expn = Some(i.call_site);
if i.callee.format != CompilerExpansion {
last_macro = Some(i.call_site)
}