QtWebKit: fix segfaults when built with GCC 7

dev-qt/qtwebkit/patches/qtwebkit-5.212.0~alpha2.patchset

@@ -1250,3 +1250,54 @@ index 0fcd4df..6672ce3 100644
 -- 
 2.16.4
 
+
+From a36365c33c489c8fe5b44f1bfa62a23cbd9e7fc5 Mon Sep 17 00:00:00 2001
+From: Gerasim Troeglazov <3dEyes@gmail.com>
+Date: Wed, 13 Jun 2018 21:24:48 +1000
+Subject: WTF::StringImpl::copyChars segfaults when built with GCC 7
+
+
+diff --git a/Source/WTF/wtf/text/StringImpl.h b/Source/WTF/wtf/text/StringImpl.h
+index 5781c1c..a1be756 100644
+--- a/Source/WTF/wtf/text/StringImpl.h
++++ b/Source/WTF/wtf/text/StringImpl.h
+@@ -619,25 +619,7 @@ public:
+             *destination = *source;
+             return;
+         }
+-
+-        if (numCharacters <= s_copyCharsInlineCutOff) {
+-            unsigned i = 0;
+-#if (CPU(X86) || CPU(X86_64))
+-            const unsigned charsPerInt = sizeof(uint32_t) / sizeof(T);
+-
+-            if (numCharacters > charsPerInt) {
+-                unsigned stopCount = numCharacters & ~(charsPerInt - 1);
+-
+-                const uint32_t* srcCharacters = reinterpret_cast<const uint32_t*>(source);
+-                uint32_t* destCharacters = reinterpret_cast<uint32_t*>(destination);
+-                for (unsigned j = 0; i < stopCount; i += charsPerInt, ++j)
+-                    destCharacters[j] = srcCharacters[j];
+-            }
+-#endif
+-            for (; i < numCharacters; ++i)
+-                destination[i] = source[i];
+-        } else
+-            memcpy(destination, source, numCharacters * sizeof(T));
++        memcpy(destination, source, numCharacters * sizeof(T));
+     }
+ 
+     ALWAYS_INLINE static void copyChars(UChar* destination, const LChar* source, unsigned numCharacters)
+@@ -855,9 +837,6 @@ private:
+         return *tailPointer<StringImpl*>();
+     }
+ 
+-    // This number must be at least 2 to avoid sharing empty, null as well as 1 character strings from SmallStrings.
+-    static const unsigned s_copyCharsInlineCutOff = 20;
+-
+     enum class CaseConvertType { Upper, Lower };
+     template<CaseConvertType type, typename CharacterType> static Ref<StringImpl> convertASCIICase(StringImpl&, const CharacterType*, unsigned);
+ 
+-- 
+2.16.4
+

dev-qt/qtwebkit/qtwebkit-5.212.0~alpha2.recipe

@@ -10,7 +10,7 @@ HOMEPAGE="https://github.com/annulen/webkit"
 COPYRIGHT="2015-2017 The Qt Company Ltd."
 LICENSE="GNU LGPL v2.1
 	GNU LGPL v3"
-REVISION="11"
+REVISION="12"
 SOURCE_URI="https://github.com/annulen/webkit/releases/download/qtwebkit-${portVersion/\~/-}/qtwebkit-${portVersion/\~/-}.tar.xz"
 CHECKSUM_SHA256="f8f901de567e11fc5659402b6b827eac75505ff9c5072d8e919aa306003f8f8a"
 SOURCE_DIR="qtwebkit-${portVersion/\~/-}"