support identifiers that start with underscore

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/043.sh b/tests/043.sh
new file mode 100644
index 0000000..a343918
--- /dev/null
+++ b/tests/043.sh
@@ -0,0 +1,17 @@
+set -e
+
+cat <<'EOF' > expected
+42,123
+EOF
+bash ../../test_diff.sh <<'EOF'
+int printf();
+
+int main() {
+    int _a = 42;
+    int _b = 123;
+
+    printf("%d,%d\n", _a, _b);
+
+    return 0;
+}
+EOF