diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 8805550968f24..c049de64eb45a 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -30,9 +30,10 @@ jobs:
           cxxcompiler: clang++
           libraries: libsdl2-dev
         - name: GCC - SDL2
-          compiler: gcc
-          cxxcompiler: g++
+          compiler: gcc-14
+          cxxcompiler: g++-14
           libraries: libsdl2-dev
+          extra-cmake-parameters: -DCMAKE_BUILD_TYPE=RelWithDebInfo
         - name: GCC - Dedicated
           compiler: gcc
           cxxcompiler: g++
diff --git a/src/core/pool_type.hpp b/src/core/pool_type.hpp
index fb0e822ac3f8e..0db37d93fe3fb 100644
--- a/src/core/pool_type.hpp
+++ b/src/core/pool_type.hpp
@@ -256,6 +256,7 @@ struct Pool : PoolBase {
 		 * @param p memory to free
 		 * @note the item has to be allocated in the pool!
 		 */
+		IGNORE_UNINITIALIZED_WARNING_START
 		inline void operator delete(void *p)
 		{
 			if (p == nullptr) return;
@@ -263,6 +264,7 @@ struct Pool : PoolBase {
 			assert(pn == Tpool->Get(pn->index));
 			Tpool->FreeItem(pn->index);
 		}
+		IGNORE_UNINITIALIZED_WARNING_STOP
 
 		/**
 		 * Allocates space for new Titem with given index
diff --git a/src/fileio_type.h b/src/fileio_type.h
index a8c3469f0fe09..3e9d0ed315996 100644
--- a/src/fileio_type.h
+++ b/src/fileio_type.h
@@ -155,6 +155,7 @@ enum Searchpath : unsigned {
 
 DECLARE_POSTFIX_INCREMENT(Searchpath)
 
+IGNORE_UNINITIALIZED_WARNING_START
 class FileHandle {
 public:
 	static std::optional<FileHandle> Open(const std::string &filename, const std::string &mode);
@@ -180,6 +181,7 @@ class FileHandle {
 
 	FileHandle(FILE *f) : f(f) { assert(this->f != nullptr); }
 };
+IGNORE_UNINITIALIZED_WARNING_STOP
 
 /* Ensure has_value() is used consistently. */
 template <> constexpr std::optional<FileHandle>::operator bool() const noexcept = delete;