From 96ecb402590df7a02526009f1630f27e14a0e77c Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sat, 28 Apr 2018 17:53:06 -0400
Subject: add fuzz tests for std.atomic.Stack

---
 src/ir.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/ir.cpp')

diff --git a/src/ir.cpp b/src/ir.cpp
index 4bf8240472..469900bf07 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -18184,6 +18184,11 @@ static TypeTableEntry *ir_analyze_instruction_atomic_rmw(IrAnalyze *ira, IrInstr
     } else {
         if (!ir_resolve_atomic_order(ira, instruction->ordering->other, &ordering))
             return ira->codegen->builtin_types.entry_invalid;
+        if (ordering == AtomicOrderUnordered) {
+            ir_add_error(ira, instruction->ordering,
+                buf_sprintf("@atomicRmw atomic ordering must not be Unordered"));
+            return ira->codegen->builtin_types.entry_invalid;
+        }
     }
 
     if (instr_is_comptime(casted_operand) && instr_is_comptime(casted_ptr) && casted_ptr->value.data.x_ptr.mut == ConstPtrMutComptimeVar)
-- 
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