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authorGraydon Hoare <[email protected]>2010-09-30 16:10:30 -0700
committerGraydon Hoare <[email protected]>2010-09-30 16:10:30 -0700
commit62c224ffe4845ed3a1f651d05ea0be84d5c870ea (patch)
tree4b5fdc0220f369b0cae5784c1d076fe502a78df0 /src/boot/fe
parentInitial check-in of 99 Bottles Of Beer (diff)
downloadrust-62c224ffe4845ed3a1f651d05ea0be84d5c870ea.tar.xz
rust-62c224ffe4845ed3a1f651d05ea0be84d5c870ea.zip
Drop slots on block exits even when blocks have no statements. Part way to fixing bind leakage in rustc.
Diffstat (limited to 'src/boot/fe')
-rw-r--r--src/boot/fe/ast.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/boot/fe/ast.ml b/src/boot/fe/ast.ml
index 46a87dfe..78b3ac51 100644
--- a/src/boot/fe/ast.ml
+++ b/src/boot/fe/ast.ml
@@ -1545,6 +1545,7 @@ and fmt_pat (ff:Format.formatter) (pat:pat) : unit =
fmt_lval ff ctor;
fmt_bracketed_arr_sep "(" ")" "," fmt_pat ff pats
| PAT_slot (_, ident) ->
+ fmt ff "?";
fmt_ident ff ident
| PAT_wild ->
fmt ff "_"