From cc7060d0d934135d797bd2bc24288ecab095051a Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Thu, 14 Feb 2019 19:53:46 -0500
Subject: compile error for C pointer with align attribute

See #1059
---
 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 7c46b21717..6e190adf6f 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -5057,6 +5057,11 @@ static IrInstruction *ir_gen_pointer_type(IrBuilder *irb, Scope *scope, AstNode
 
     IrInstruction *align_value;
     if (align_expr != nullptr) {
+        if (ptr_len == PtrLenC) {
+            exec_add_error_node(irb->codegen, irb->exec, node,
+                buf_sprintf("[*c] pointers may not have align attribute"));
+            return irb->codegen->invalid_instruction;
+        }
         align_value = ir_gen_node(irb, align_expr, scope);
         if (align_value == irb->codegen->invalid_instruction)
             return align_value;
-- 
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