From 9da335e3b2ce546aaf41238ba53e04bfdeaf3584 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Mon, 11 May 2020 18:24:10 +0100
Subject: [PATCH] simplify

---
 lib/fizzy/parser_expr.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/fizzy/parser_expr.cpp b/lib/fizzy/parser_expr.cpp
index 1f62ba8bc..6814e6a5c 100644
--- a/lib/fizzy/parser_expr.cpp
+++ b/lib/fizzy/parser_expr.cpp
@@ -492,8 +492,7 @@ parser_result<Code> parse_expr(const uint8_t* pos, const uint8_t* end, const Mod
             // alignment
             uint32_t align;
             std::tie(align, pos) = leb128u_decode<uint32_t>(pos, end);
-            // NOTE: align > 4 is the hard limit (64 / 8) >> 1, and checking it to avoid overflows
-            if ((align > 4) || ((1 << align) > metrics.memory_width))
+            if ((1 << static_cast<uint64_t>(align)) > metrics.memory_width)
                 throw validation_error{"alignment can't exceed operand size"};
 
             // offset