From d614e8fb3faac334e14c86f0ba2e34ecfcd92b43 Mon Sep 17 00:00:00 2001
From: Marc Chevrier <marc.chevrier@gmail.com>
Date: Fri, 29 Aug 2025 18:47:28 +0200
Subject: [PATCH] cmLocalGenerator: check variables before usage

Reported by https://pvs-studio.com/en/blog/posts/cpp/1277/ (N2)

Issue: 27159
---
 Source/cmLocalGenerator.cxx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 2638af1d28..5fd931f69d 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -1441,7 +1441,7 @@ void cmLocalGenerator::GetDeviceLinkFlags(
 
   auto linklang = linkLineComputer.GetLinkerLanguage(target, config);
   auto ipoEnabled = target->IsIPOEnabled(linklang, config);
-  if (!ipoEnabled) {
+  if (!ipoEnabled && pcli) {
     ipoEnabled = linkLineComputer.ComputeRequiresDeviceLinkingIPOFlag(*pcli);
   }
   if (ipoEnabled) {
@@ -3001,9 +3001,8 @@ void cmLocalGenerator::CopyPchCompilePdb(
   } else {
     cc->SetOutputs(outputs);
     cmSourceFile* copy_rule = this->AddCustomCommandToOutput(std::move(cc));
-    copy_rule->SetProperty("CXX_SCAN_FOR_MODULES", "0");
-
     if (copy_rule) {
+      copy_rule->SetProperty("CXX_SCAN_FOR_MODULES", "0");
       target->AddSource(copy_rule->ResolveFullPath());
     }
   }