build: Fix compilation and runtime errors with LLVM 22

src/cmake/modules/FindLLVM.cmake

@@ -119,7 +119,8 @@ endif ()
 foreach (COMPONENT clangFrontend clangDriver clangSerialization
                    clangParse clangSema clangAnalysis clangAST
                    clangASTMatchers clangEdit clangLex
-                   clangSupport clangAPINotes clangBasic)
+                   clangSupport clangAPINotes clangBasic
+                   clangOptions clangAnalysisLifetimeSafety)
     find_library ( _CLANG_${COMPONENT}_LIBRARY
                   NAMES ${COMPONENT}
                   PATHS ${LLVM_LIB_DIR}

src/liboslcomp/oslcomp.cpp

@@ -200,6 +200,9 @@ OSLCompilerImpl::preprocess_buffer(const std::string& buffer,
 
     inst.setTarget(target);
 
+#if OSL_LLVM_VERSION >= 220
+    inst.createVirtualFileSystem();
+#endif
     inst.createFileManager();
 #if OSL_LLVM_VERSION >= 220
     inst.createSourceManager();

src/liboslexec/llvm_util.cpp

@@ -684,7 +684,7 @@ LLVM_Util::debug_setup_compilation_unit(const char* compile_unit_name)
         osl_identity,  // Identify the producer of debugging information and code. Usually this is a compiler version string.
         true,          // isOptimized
         "<todo>",  // This string lists command line options. This string is directly embedded in debug info output which may be used by a tool analyzing generated debugging information.
-        OSL_VERSION,  // This indicates runtime version for languages like Objective-C
+        0,  // This indicates runtime version for languages like Objective-C
         llvm::StringRef(),  // SplitName = he name of the file that we'll split debug info out into.
         llvm::DICompileUnit::DebugEmissionKind::
             LineTablesOnly,  // DICompileUnit::DebugEmissionKind