From 6fb7d0a7131b5a5938b12673f4b260d66cc1a527 Mon Sep 17 00:00:00 2001
From: Denis Pronin <dannftk@yandex.ru>
Date: Thu, 13 Jul 2023 17:55:14 +0300
Subject: dev-qt/qtwebengine: fix compiling with clang-16

clang-16 complains about casting an integer value that exceeds an
enumeration capacity in the class base::BitField
to not modify chromium code we just cancel warning about this
circumstance to prevent it from being converted to an error that fails
compilation

[sam: Note that this is a bandaid and won't work with Clang 17.]

Bug: https://bugs.gentoo.org/903573
Signed-off-by: Denis Pronin <dannftk@yandex.ru>
Closes: https://github.com/gentoo/gentoo/pull/31869
Signed-off-by: Sam James <sam@gentoo.org>
---
 .../files/qtwebengine-5.15.10_p20230623-clang16.patch     | 15 +++++++++++++++
 dev-qt/qtwebengine/qtwebengine-5.15.10_p20230623.ebuild   |  5 ++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 dev-qt/qtwebengine/files/qtwebengine-5.15.10_p20230623-clang16.patch

diff --git a/dev-qt/qtwebengine/files/qtwebengine-5.15.10_p20230623-clang16.patch b/dev-qt/qtwebengine/files/qtwebengine-5.15.10_p20230623-clang16.patch
new file mode 100644
index 000000000000..2d8f8482e1b4
--- /dev/null
+++ b/dev-qt/qtwebengine/files/qtwebengine-5.15.10_p20230623-clang16.patch
@@ -0,0 +1,15 @@
+https://bugs.gentoo.org/903573
+--- a/src/3rdparty/chromium/v8/src/base/bit-field.h
++++ b/src/3rdparty/chromium/v8/src/base/bit-field.h
+@@ -39,8 +39,11 @@
+   static constexpr int kLastUsedBit = kShift + kSize - 1;
+   static constexpr U kNumValues = U{1} << kSize;
+ 
++  #pragma clang diagnostic push
++  #pragma clang diagnostic ignored "-Wenum-constexpr-conversion"
+   // Value for the field with all bits set.
+   static constexpr T kMax = static_cast<T>(kNumValues - 1);
++  #pragma clang diagnostic pop
+ 
+   template <class T2, int size2>
+   using Next = BitField<T2, kShift + kSize, size2, U>;
diff --git a/dev-qt/qtwebengine/qtwebengine-5.15.10_p20230623.ebuild b/dev-qt/qtwebengine/qtwebengine-5.15.10_p20230623.ebuild
index ce07a4c85372..937b8d59b20d 100644
--- a/dev-qt/qtwebengine/qtwebengine-5.15.10_p20230623.ebuild
+++ b/dev-qt/qtwebengine/qtwebengine-5.15.10_p20230623.ebuild
@@ -100,7 +100,10 @@ BDEPEND="${PYTHON_DEPS}
 	ppc64? ( >=dev-util/gn-0.1807 )
 "
 
-PATCHES=( "${WORKDIR}/${PN}-5.15.8_p20230313-patchset" )
+PATCHES=(
+	"${WORKDIR}/${PN}-5.15.8_p20230313-patchset"
+	"${FILESDIR}/${PN}-5.15.10_p20230623-clang16.patch"
+)
 
 qtwebengine_check-reqs() {
 	# bug #307861
-- 
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