From a6b46fe475e3090c90aa68bc9a93b9056f2bfbdb Mon Sep 17 00:00:00 2001
From: faze-geek <bhat.1@iitj.ac.in>
Date: Fri, 7 Apr 2023 11:00:09 +0530
Subject: [PATCH] check step size 0

---
 src/lpython/semantics/python_ast_to_asr.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lpython/semantics/python_ast_to_asr.cpp b/src/lpython/semantics/python_ast_to_asr.cpp
index ddcc6e26f7..999d3edbcd 100644
--- a/src/lpython/semantics/python_ast_to_asr.cpp
+++ b/src/lpython/semantics/python_ast_to_asr.cpp
@@ -4493,6 +4493,10 @@ class BodyVisitor : public CommonVisitor<BodyVisitor> {
         int64_t inc_int = 1;
         bool is_value_present = ASRUtils::extract_value(inc_value, inc_int);
         if (is_value_present) {
+            if (inc_int == 0) {
+                throw SemanticError("For loop increment should not be zero.", loc);
+            }
+
             // Loop end depends upon the sign of m_increment.
             // if inc > 0 then: loop_end -=1 else loop_end += 1
             ASR::binopType offset_op;