bc: fix "...; return}" to work, disallow "return ()"
function old new delta
zbc_parse_expr 24 1865 +1841
zbc_parse_stmt_possibly_auto 1425 1413 -12
bc_parse_expr_empty_ok 1843 - -1843
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/1 up/down: 1841/-1855) Total: -14 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/testsuite/bc.tests b/testsuite/bc.tests
index 7795183..0a8222b 100755
--- a/testsuite/bc.tests
+++ b/testsuite/bc.tests
@@ -103,6 +103,11 @@
"2\n9\n" \
"" "for (;;) {2;break}; 9"
+testing "bc define {return}" \
+ "bc" \
+ "0\n9\n" \
+ "" "define w() {return}\nw();9"
+
testing "bc define auto" \
"bc" \
"8\n9\n" \