From db5b76edc14649e82d87c258481a2b0a46b1c345 Mon Sep 17 00:00:00 2001
From: Krystine Sherwin <93062060+KrystalDelusion@users.noreply.github.com>
Date: Fri, 14 Feb 2025 13:28:24 +1300
Subject: [PATCH] Add test for shifting by INT_MAX

Currently resulting in CI failing on main during fsm checks which generate a circuit that simplifies to this.
---
 tests/opt/opt_expr_shr_int_max.ys | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 tests/opt/opt_expr_shr_int_max.ys

diff --git a/tests/opt/opt_expr_shr_int_max.ys b/tests/opt/opt_expr_shr_int_max.ys
new file mode 100644
index 000000000..5fb3c9d37
--- /dev/null
+++ b/tests/opt/opt_expr_shr_int_max.ys
@@ -0,0 +1,9 @@
+read_verilog << EOF
+module uut_00034(b, y);
+  input signed [30:0] b;
+  output [11:0] y = b >> ~31'b0; // shift by INT_MAX
+endmodule
+EOF
+
+# This should succeed, even with UBSAN halt_on_error
+opt_expr