From 6b436146a8065b3e19c11359df85a44dac269730 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sun, 25 Feb 2018 20:28:44 -0500
Subject: fix invalid memory write in coroutines implementation

---
 src/ir.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ir.cpp')

diff --git a/src/ir.cpp b/src/ir.cpp
index b3f53f824d..5c5bfc3cd1 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -942,7 +942,7 @@ static IrInstruction *ir_build_const_promise_init(IrBuilder *irb, Scope *scope,
     IrInstructionConst *const_instruction = ir_build_instruction<IrInstructionConst>(irb, scope, source_node);
     const_instruction->base.value.type = struct_type;
     const_instruction->base.value.special = ConstValSpecialStatic;
-    const_instruction->base.value.data.x_struct.fields = allocate<ConstExprValue>(2);
+    const_instruction->base.value.data.x_struct.fields = allocate<ConstExprValue>(field_count);
     const_instruction->base.value.data.x_struct.fields[0].type = awaiter_handle_type;
     const_instruction->base.value.data.x_struct.fields[0].special = ConstValSpecialStatic;
     const_instruction->base.value.data.x_struct.fields[0].data.x_maybe = nullptr;
-- 
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