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-rw-r--r--src/libsyntax/ext/base.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsyntax/ext/base.rs b/src/libsyntax/ext/base.rs
index 6ed5ca3e402..99f74543e79 100644
--- a/src/libsyntax/ext/base.rs
+++ b/src/libsyntax/ext/base.rs
@@ -139,6 +139,8 @@ pub fn syntax_expander_table() -> SyntaxEnv {
                                 ext::tt::macro_rules::add_new_extension));
     syntax_expanders.insert(intern(&"fmt"),
                             builtin_normal_tt(ext::fmt::expand_syntax_ext));
+    syntax_expanders.insert(intern(&"ifmt"),
+                            builtin_normal_tt(ext::ifmt::expand_syntax_ext));
     syntax_expanders.insert(
         intern(&"auto_encode"),
         @SE(ItemDecorator(ext::auto_encode::expand_auto_encode)));