From 8643ca7f29c48738d3d12b4f701af77b21aa3701 Mon Sep 17 00:00:00 2001
From: Shahzad Malik Muzaffar <shahzad.malik.muzaffar@cern.ch>
Date: Mon, 24 Mar 2025 10:15:58 +0100
Subject: [PATCH] PixelVertexFinding: workaround for -Warray-bounds/LTO builds

---
 RecoVertex/PixelVertexFinding/plugins/BuildFile.xml | 2 ++
 RecoVertex/PixelVertexFinding/test/BuildFile.xml    | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/RecoVertex/PixelVertexFinding/plugins/BuildFile.xml b/RecoVertex/PixelVertexFinding/plugins/BuildFile.xml
index b7674b3e91c12..85603d97c5f3b 100644
--- a/RecoVertex/PixelVertexFinding/plugins/BuildFile.xml
+++ b/RecoVertex/PixelVertexFinding/plugins/BuildFile.xml
@@ -42,6 +42,8 @@
   <use name="DataFormats/VertexSoA"/>
   <use name="HeterogeneousCore/AlpakaCore"/>
   <use name="HeterogeneousCore/AlpakaInterface"/>
+  <!-- work around for cms-sw/cmssw#45179 -->
+  <use name="no-array-bounds-flag" for="alpaka/serial"/>
   <flags ALPAKA_BACKENDS="1"/>
   <flags EDM_PLUGIN="1"/>
 </library>
diff --git a/RecoVertex/PixelVertexFinding/test/BuildFile.xml b/RecoVertex/PixelVertexFinding/test/BuildFile.xml
index d5d0142eca659..57d83a69fabae 100644
--- a/RecoVertex/PixelVertexFinding/test/BuildFile.xml
+++ b/RecoVertex/PixelVertexFinding/test/BuildFile.xml
@@ -47,12 +47,16 @@
 
 <bin file="alpaka/VertexFinder_t.cc alpaka/VertexFinder_t.dev.cc" name="deviceVertexFinderOneKernel_t">
   <use name="alpaka"/>
+  <!-- work around for cms-sw/cmssw#45179 -->
+  <use name="no-array-bounds-flag" for="alpaka/serial"/>
   <use name="HeterogeneousCore/AlpakaInterface"/>
   <flags ALPAKA_BACKENDS="1"/>
   <flags CXXFLAGS="-g -DGPU_DEBUG -DONE_KERNEL"/>
 </bin>
 
 <bin file="alpaka/VertexFinder_t.cc alpaka/VertexFinder_t.dev.cc" name="deviceVertexFinderByDensity_t">
+  <!-- work around for cms-sw/cmssw#45179 -->
+  <use name="no-array-bounds-flag" for="alpaka/serial"/>
   <use name="alpaka"/>
   <use name="HeterogeneousCore/AlpakaInterface"/>
   <flags ALPAKA_BACKENDS="1"/>