From c96131f30caaf6d7cd1d202891a28ee0df8b577e Mon Sep 17 00:00:00 2001
From: LemonBoy <thatlemon@gmail.com>
Date: Sun, 12 Jan 2020 15:04:43 +0100
Subject: Propagate errors in for loop bodies

Closes #3819
---
 src/ir.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/ir.cpp b/src/ir.cpp
index 9f45ff5b2f..340b27119a 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -7456,6 +7456,8 @@ static IrInstruction *ir_gen_for_expr(IrBuilder *irb, Scope *parent_scope, AstNo
     // it's actually in break statements, handled similarly to return statements.
     // That is why we set those values in loop_scope above and not in this ir_gen_node call.
     IrInstruction *body_result = ir_gen_node(irb, body_node, &loop_scope->base);
+    if (body_result == irb->codegen->invalid_instruction)
+        return irb->codegen->invalid_instruction;
 
     if (!instr_is_unreachable(body_result)) {
         ir_mark_gen(ir_build_check_statement_is_void(irb, child_scope, node->data.for_expr.body, body_result));
-- 
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