From c46d6363775a63f43f6a47dfd5817f2569ea5926 Mon Sep 17 00:00:00 2001
From: BayLee4 <63376748+BayLee4@users.noreply.github.com>
Date: Fri, 4 Feb 2022 23:57:43 +0100
Subject: [PATCH] Resolve issue #1749 : build with
 '-ftrivial-auto-var-init=zero'

---
 build/bromite_patches_list.txt                |  2 ++
 build/chromium_patches_list.txt               |  2 ++
 ...ble-broken-warning-for-auto-var-init.patch | 21 +++++++++++++++++
 .../enable-ftrivial-auto-var-init-zero.patch  | 23 +++++++++++++++++++
 4 files changed, 48 insertions(+)
 create mode 100644 build/patches/disable-broken-warning-for-auto-var-init.patch
 create mode 100644 build/patches/enable-ftrivial-auto-var-init-zero.patch

diff --git a/build/bromite_patches_list.txt b/build/bromite_patches_list.txt
index 3b79a205..ae9ec02d 100644
--- a/build/bromite_patches_list.txt
+++ b/build/bromite_patches_list.txt
@@ -5,6 +5,8 @@ exit-on-failure-of-inclusion.patch
 AV1-codec-support.patch
 Switch-to-fstack-protector-strong.patch
 Enable-fwrapv-in-Clang-for-non-UBSan-builds.patch
+enable-ftrivial-auto-var-init-zero.patch
+disable-broken-warning-for-auto-var-init.patch
 Bromite-package-name.patch
 Restore-classic-new-tab-page.patch
 Always-use-new-tab-page-for-default-home-page.patch
diff --git a/build/chromium_patches_list.txt b/build/chromium_patches_list.txt
index 11f41e2b..5bb36242 100644
--- a/build/chromium_patches_list.txt
+++ b/build/chromium_patches_list.txt
@@ -5,5 +5,7 @@ do-not-hide-.orig-files.patch
 do-not-add-suffix-to-package-name.patch
 Switch-to-fstack-protector-strong.patch
 Enable-fwrapv-in-Clang-for-non-UBSan-builds.patch
+enable-ftrivial-auto-var-init-zero.patch
+disable-broken-warning-for-auto-var-init.patch
 Disable-feeds-support-by-default.patch
 Chromium-package-name.patch
diff --git a/build/patches/disable-broken-warning-for-auto-var-init.patch b/build/patches/disable-broken-warning-for-auto-var-init.patch
new file mode 100644
index 00000000..c86846f0
--- /dev/null
+++ b/build/patches/disable-broken-warning-for-auto-var-init.patch
@@ -0,0 +1,21 @@
+From cfd733c6c50dfcd20d1bd359e2ca1dc4da039a4b Mon Sep 17 00:00:00 2001
+From: Daniel Micay <danielmicay@gmail.com>
+Date: Thu, 21 May 2020 14:07:54 -0400
+Subject: [PATCH] disable broken warning for auto var init
+
+---
+ build/config/compiler/BUILD.gn | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -355,7 +355,7 @@ config("compiler") {
+     }
+ 
+     if (is_clang) {
+-      cflags += [ "-ftrivial-auto-var-init=zero", "-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang" ]
++      cflags += [ "-ftrivial-auto-var-init=zero", "-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang", "-Wno-unused-command-line-argument" ]
+     }
+ 
+     # Linker warnings.
diff --git a/build/patches/enable-ftrivial-auto-var-init-zero.patch b/build/patches/enable-ftrivial-auto-var-init-zero.patch
new file mode 100644
index 00000000..7c3ccc9f
--- /dev/null
+++ b/build/patches/enable-ftrivial-auto-var-init-zero.patch
@@ -0,0 +1,23 @@
+From e7eb1a78a4795ac2ece3c96a051b003be8b2cb71 Mon Sep 17 00:00:00 2001
+From: Daniel Micay <danielmicay@gmail.com>
+Date: Wed, 8 Apr 2020 20:48:17 -0400
+Subject: [PATCH] enable -ftrivial-auto-var-init=zero
+
+---
+ build/config/compiler/BUILD.gn | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -354,6 +354,10 @@ config("compiler") {
+       cflags += [ "-fwrapv" ]
+     }
+ 
++    if (is_clang) {
++      cflags += [ "-ftrivial-auto-var-init=zero", "-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang" ]
++    }
++
+     # Linker warnings.
+     if (fatal_linker_warnings && !is_apple && current_os != "aix" &&
+         current_os != "zos") {