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Fix ICE on a macro in a constant integer position that expands into other macros.

This commit is contained in:
Jeffrey Seyfried 2016-09-29 02:23:19 +00:00
parent 755516bb96
commit 316f7bb1a8
1 changed files with 6 additions and 3 deletions
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9
src/librustc_resolve/macros.rs
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@ -172,10 +172,13 @@ impl<'a> Resolver<'a> {
let mut def_collector = DefCollector::new(&mut self.definitions);
def_collector.visit_macro_invoc = Some(visit_macro_invoc);
def_collector.with_parent(def_index, |def_collector| if !const_integer {
def_collector.with_parent(def_index, |def_collector| {
if const_integer {
if let Expansion::Expr(ref expr) = *expansion {
def_collector.visit_ast_const_integer(expr);
}
}
expansion.visit_with(def_collector)
} else if let Expansion::Expr(ref expr) = *expansion {
def_collector.visit_ast_const_integer(expr);
});
}
}