From b58ac4027eaaab42554cfa37d68a65b0192d1ca3 Mon Sep 17 00:00:00 2001
From: Sergei Shadrin <shadrin.sergei@huawei-partners.com>
Date: Wed, 31 Aug 2022 17:23:48 +0000
Subject: [PATCH] ComputeHashcodeUtf8 optimization

Change-Id: I50bfddde7a9642a93aa4ed27196475f8a92ef688
Signed-off-by: Sergei Shadrin <shadrin.sergei@huawei-partners.com>
---
 runtime/ecma_string.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/runtime/ecma_string.cpp b/runtime/ecma_string.cpp
index 8b6d085c3..b784b485f 100644
--- a/runtime/ecma_string.cpp
+++ b/runtime/ecma_string.cpp
@@ -411,11 +411,12 @@ uint32_t EcmaString::ComputeHashcodeUtf8(const uint8_t *utf8Data, size_t utf8Len
     if (canBeCompress) {
         hash = ComputeHashForUtf8(utf8Data);
     } else {
-        auto utf16Len = base::utf_helper::Utf8ToUtf16Size(utf8Data, utf8Len);
+        // utf8len >= utf16len for equal strings
+        auto utf16Len = utf8Len;
         PandaVector<uint16_t> tmpBuffer(utf16Len);
         [[maybe_unused]] auto len =
             base::utf_helper::ConvertRegionUtf8ToUtf16(utf8Data, tmpBuffer.data(), utf8Len, utf16Len, 0);
-        ASSERT(len == utf16Len);
+        ASSERT(len == base::utf_helper::Utf8ToUtf16Size(utf8Data, utf8Len));
         hash = ComputeHashForData(tmpBuffer.data(), utf16Len);
     }
     return hash;
-- 
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