[manual] Merge release/6.0-staging into release/6.0

NuGet.config

@@ -9,7 +9,7 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-emsdk -->
-    <add key="darc-pub-dotnet-emsdk-3c754f2" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-3c754f28/nuget/v3/index.json" />
+    <add key="darc-pub-dotnet-emsdk-f472bde" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-emsdk-f472bde6/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-emsdk -->
     <!--  Begin: Package sources from dotnet-wcf -->
     <!--  End: Package sources from dotnet-wcf -->

eng/Version.Details.xml

@@ -8,17 +8,17 @@
       <Uri>https://github.com/dotnet/msquic</Uri>
       <Sha>7312355e44fd230b7aa26c7190f3870391751476</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.100" Version="6.0.22">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.100" Version="6.0.23">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>3c754f28788fae642dc307a948479204e9f7dd5a</Sha>
+      <Sha>f472bde6484a7b860c6647cf2ac64fd2870853e0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.22">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.23">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>3c754f28788fae642dc307a948479204e9f7dd5a</Sha>
+      <Sha>f472bde6484a7b860c6647cf2ac64fd2870853e0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.22">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.400" Version="6.0.23">
       <Uri>https://github.com/dotnet/emsdk</Uri>
-      <Sha>3c754f28788fae642dc307a948479204e9f7dd5a</Sha>
+      <Sha>f472bde6484a7b860c6647cf2ac64fd2870853e0</Sha>
     </Dependency>
     <Dependency Name="System.ServiceModel.Primitives" Version="4.9.0">
       <Uri>https://github.com/dotnet/wcf</Uri>

eng/Versions.props

@@ -176,9 +176,9 @@
     <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21416.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
     <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21416.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
     <!-- emscripten / Node -->
-    <MicrosoftNETWorkloadEmscriptenManifest60100Version>6.0.22</MicrosoftNETWorkloadEmscriptenManifest60100Version>
-    <MicrosoftNETWorkloadEmscriptenManifest60300Version>6.0.22</MicrosoftNETWorkloadEmscriptenManifest60300Version>
-    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.22</MicrosoftNETWorkloadEmscriptenManifest60400Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60100Version>6.0.23</MicrosoftNETWorkloadEmscriptenManifest60100Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60300Version>6.0.23</MicrosoftNETWorkloadEmscriptenManifest60300Version>
+    <MicrosoftNETWorkloadEmscriptenManifest60400Version>6.0.23</MicrosoftNETWorkloadEmscriptenManifest60400Version>
     <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenManifest60100Version)</MicrosoftNETRuntimeEmscriptenVersion>
     <!-- workloads -->
     <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>

src/coreclr/pal/src/include/pal/sharedmemory.h

@@ -91,11 +91,9 @@ class SharedMemoryException
 class SharedMemoryHelpers
 {
 private:
-    static const mode_t PermissionsMask_CurrentUser_ReadWrite;
     static const mode_t PermissionsMask_CurrentUser_ReadWriteExecute;
     static const mode_t PermissionsMask_AllUsers_ReadWrite;
     static const mode_t PermissionsMask_AllUsers_ReadWriteExecute;
-
 public:
     static const UINT32 InvalidProcessId;
     static const SIZE_T InvalidThreadId;
@@ -111,12 +109,12 @@ class SharedMemoryHelpers
     static void BuildSharedFilesPath(PathCharString& destination, const char *suffix, int suffixByteCount);
     static bool AppendUInt32String(PathCharString& destination, UINT32 value);
 
-    static bool EnsureDirectoryExists(const char *path, bool isGlobalLockAcquired, bool hasCurrentUserAccessOnly, bool setStickyFlag, bool createIfNotExist = true, bool isSystemDirectory = false);
+    static bool EnsureDirectoryExists(const char *path, bool isGlobalLockAcquired, bool createIfNotExist = true, bool isSystemDirectory = false);
 private:
     static int Open(LPCSTR path, int flags, mode_t mode = static_cast<mode_t>(0));
 public:
     static int OpenDirectory(LPCSTR path);
-    static int CreateOrOpenFile(LPCSTR path, bool createIfNotExist = true, bool isSessionScope = true, bool *createdRef = nullptr);
+    static int CreateOrOpenFile(LPCSTR path, bool createIfNotExist = true, bool *createdRef = nullptr);
     static void CloseFile(int fileDescriptor);
 
     static SIZE_T GetFileSize(int fileDescriptor);

src/coreclr/pal/src/sharedmemory/sharedmemory.cpp

@@ -62,7 +62,6 @@ DWORD SharedMemoryException::GetErrorCode() const
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // SharedMemoryHelpers
 
-const mode_t SharedMemoryHelpers::PermissionsMask_CurrentUser_ReadWrite = S_IRUSR | S_IWUSR;
 const mode_t SharedMemoryHelpers::PermissionsMask_CurrentUser_ReadWriteExecute = S_IRUSR | S_IWUSR | S_IXUSR;
 const mode_t SharedMemoryHelpers::PermissionsMask_AllUsers_ReadWrite =
     S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
@@ -97,22 +96,13 @@ SIZE_T SharedMemoryHelpers::AlignUp(SIZE_T value, SIZE_T alignment)
 bool SharedMemoryHelpers::EnsureDirectoryExists(
     const char *path,
     bool isGlobalLockAcquired,
-    bool hasCurrentUserAccessOnly,
-    bool setStickyFlag,
     bool createIfNotExist,
     bool isSystemDirectory)
 {
     _ASSERTE(path != nullptr);
     _ASSERTE(!(isSystemDirectory && createIfNotExist)); // should not create or change permissions on system directories
     _ASSERTE(SharedMemoryManager::IsCreationDeletionProcessLockAcquired());
     _ASSERTE(!isGlobalLockAcquired || SharedMemoryManager::IsCreationDeletionFileLockAcquired());
-    _ASSERTE(!(setStickyFlag && hasCurrentUserAccessOnly)); // Sticky bit doesn't make sense with current user access only
-
-    mode_t mode = hasCurrentUserAccessOnly ? PermissionsMask_CurrentUser_ReadWriteExecute : PermissionsMask_AllUsers_ReadWriteExecute;
-    if (setStickyFlag)
-    {
-        mode |= S_ISVTX;
-    }
 
     // Check if the path already exists
     struct stat statInfo;
@@ -133,11 +123,11 @@ bool SharedMemoryHelpers::EnsureDirectoryExists(
 
         if (isGlobalLockAcquired)
         {
-            if (mkdir(path, mode) != 0)
+            if (mkdir(path, PermissionsMask_AllUsers_ReadWriteExecute) != 0)
             {
                 throw SharedMemoryException(static_cast<DWORD>(SharedMemoryError::IO));
             }
-            if (chmod(path, mode) != 0)
+            if (chmod(path, PermissionsMask_AllUsers_ReadWriteExecute) != 0)
             {
                 rmdir(path);
                 throw SharedMemoryException(static_cast<DWORD>(SharedMemoryError::IO));
@@ -152,7 +142,7 @@ bool SharedMemoryHelpers::EnsureDirectoryExists(
         {
             throw SharedMemoryException(static_cast<DWORD>(SharedMemoryError::IO));
         }
-        if (chmod(tempPath, mode) != 0)
+        if (chmod(tempPath, PermissionsMask_AllUsers_ReadWriteExecute) != 0)
         {
             rmdir(tempPath);
             throw SharedMemoryException(static_cast<DWORD>(SharedMemoryError::IO));
@@ -192,11 +182,11 @@ bool SharedMemoryHelpers::EnsureDirectoryExists(
     // For non-system directories (such as gSharedFilesPath/SHARED_MEMORY_RUNTIME_TEMP_DIRECTORY_NAME),
     // require sufficient permissions for all users and try to update them if requested to create the directory, so that
     // shared memory files may be shared by all processes on the system.
-    if ((statInfo.st_mode & mode) == mode)
+    if ((statInfo.st_mode & PermissionsMask_AllUsers_ReadWriteExecute) == PermissionsMask_AllUsers_ReadWriteExecute)
     {
         return true;
     }
-    if (!createIfNotExist || chmod(path, mode) != 0)
+    if (!createIfNotExist || chmod(path, PermissionsMask_AllUsers_ReadWriteExecute) != 0)
     {
         // We were not asked to create the path or we weren't able to set the new permissions.
         // As a last resort, check that at least the current user has full access.
@@ -253,7 +243,7 @@ int SharedMemoryHelpers::OpenDirectory(LPCSTR path)
     return fileDescriptor;
 }
 
-int SharedMemoryHelpers::CreateOrOpenFile(LPCSTR path, bool createIfNotExist, bool isSessionScope, bool *createdRef)
+int SharedMemoryHelpers::CreateOrOpenFile(LPCSTR path, bool createIfNotExist, bool *createdRef)
 {
     _ASSERTE(path != nullptr);
     _ASSERTE(path[0] != '\0');
@@ -283,13 +273,12 @@ int SharedMemoryHelpers::CreateOrOpenFile(LPCSTR path, bool createIfNotExist, bo
 
     // File does not exist, create the file
     openFlags |= O_CREAT | O_EXCL;
-    mode_t mode = isSessionScope ? PermissionsMask_CurrentUser_ReadWrite : PermissionsMask_AllUsers_ReadWrite;
-    fileDescriptor = Open(path, openFlags, mode);
+    fileDescriptor = Open(path, openFlags, PermissionsMask_AllUsers_ReadWrite);
     _ASSERTE(fileDescriptor != -1);
 
     // The permissions mask passed to open() is filtered by the process' permissions umask, so open() may not set all of
     // the requested permissions. Use chmod() to set the proper permissions.
-    if (chmod(path, mode) != 0)
+    if (chmod(path, PermissionsMask_AllUsers_ReadWrite) != 0)
     {
         CloseFile(fileDescriptor);
         unlink(path);
@@ -675,7 +664,7 @@ SharedMemoryProcessDataHeader *SharedMemoryProcessDataHeader::CreateOrOpen(
     SharedMemoryHelpers::VerifyStringOperation(SharedMemoryManager::CopySharedMemoryBasePath(filePath));
     SharedMemoryHelpers::VerifyStringOperation(filePath.Append('/'));
     SharedMemoryHelpers::VerifyStringOperation(id.AppendSessionDirectoryName(filePath));
-    if (!SharedMemoryHelpers::EnsureDirectoryExists(filePath, true /* isGlobalLockAcquired */, id.IsSessionScope(), false /* setStickyFlag */, createIfNotExist))
+    if (!SharedMemoryHelpers::EnsureDirectoryExists(filePath, true /* isGlobalLockAcquired */, createIfNotExist))
     {
         _ASSERTE(!createIfNotExist);
         return nullptr;
@@ -688,7 +677,7 @@ SharedMemoryProcessDataHeader *SharedMemoryProcessDataHeader::CreateOrOpen(
     SharedMemoryHelpers::VerifyStringOperation(filePath.Append(id.GetName(), id.GetNameCharCount()));
 
     bool createdFile;
-    int fileDescriptor = SharedMemoryHelpers::CreateOrOpenFile(filePath, createIfNotExist, id.IsSessionScope(), &createdFile);
+    int fileDescriptor = SharedMemoryHelpers::CreateOrOpenFile(filePath, createIfNotExist, &createdFile);
     if (fileDescriptor == -1)
     {
         _ASSERTE(!createIfNotExist);
@@ -1163,23 +1152,17 @@ void SharedMemoryManager::AcquireCreationDeletionFileLock()
         if (!SharedMemoryHelpers::EnsureDirectoryExists(
                 *gSharedFilesPath,
                 false /* isGlobalLockAcquired */,
-                false /* hasCurrentUserAccessOnly */,
-                true /* setStickyFlag */,
                 false /* createIfNotExist */,
                 true /* isSystemDirectory */))
         {
             throw SharedMemoryException(static_cast<DWORD>(SharedMemoryError::IO));
         }
         SharedMemoryHelpers::EnsureDirectoryExists(
             *s_runtimeTempDirectoryPath,
-            false /* isGlobalLockAcquired */,
-            false /* hasCurrentUserAccessOnly */,
-            true /* setStickyFlag */);
+            false /* isGlobalLockAcquired */);
         SharedMemoryHelpers::EnsureDirectoryExists(
             *s_sharedMemoryDirectoryPath,
-            false /* isGlobalLockAcquired */,
-            false /* hasCurrentUserAccessOnly */,
-            true /* setStickyFlag */);
+            false /* isGlobalLockAcquired */);
         s_creationDeletionLockFileDescriptor = SharedMemoryHelpers::OpenDirectory(*s_sharedMemoryDirectoryPath);
         if (s_creationDeletionLockFileDescriptor == -1)
         {

src/coreclr/pal/src/synchobj/mutex.cpp

@@ -1121,7 +1121,7 @@ SharedMemoryProcessDataHeader *NamedMutexProcessData::CreateOrOpen(
         SharedMemoryHelpers::BuildSharedFilesPath(lockFilePath, SHARED_MEMORY_LOCK_FILES_DIRECTORY_NAME);
         if (created)
         {
-            SharedMemoryHelpers::EnsureDirectoryExists(lockFilePath, true /* isGlobalLockAcquired */, false /* hasCurrentUserAccessOnly */, true /* setStickyFlag */);
+            SharedMemoryHelpers::EnsureDirectoryExists(lockFilePath, true /* isGlobalLockAcquired */);
         }
 
         // Create the session directory
@@ -1130,15 +1130,15 @@ SharedMemoryProcessDataHeader *NamedMutexProcessData::CreateOrOpen(
         SharedMemoryHelpers::VerifyStringOperation(id->AppendSessionDirectoryName(lockFilePath));
         if (created)
         {
-            SharedMemoryHelpers::EnsureDirectoryExists(lockFilePath, true /* isGlobalLockAcquired */, id->IsSessionScope(), false /* setStickyFlag */);
+            SharedMemoryHelpers::EnsureDirectoryExists(lockFilePath, true /* isGlobalLockAcquired */);
             autoCleanup.m_lockFilePath = &lockFilePath;
             autoCleanup.m_sessionDirectoryPathCharCount = lockFilePath.GetCount();
         }
 
         // Create or open the lock file
         SharedMemoryHelpers::VerifyStringOperation(lockFilePath.Append('/'));
         SharedMemoryHelpers::VerifyStringOperation(lockFilePath.Append(id->GetName(), id->GetNameCharCount()));
-        int lockFileDescriptor = SharedMemoryHelpers::CreateOrOpenFile(lockFilePath, created, id->IsSessionScope());
+        int lockFileDescriptor = SharedMemoryHelpers::CreateOrOpenFile(lockFilePath, created);
         if (lockFileDescriptor == -1)
         {
             _ASSERTE(!created);

src/libraries/Native/Unix/CMakeLists.txt

@@ -218,6 +218,17 @@ else ()
     message(FATAL_ERROR "Unknown build type. Set CMAKE_BUILD_TYPE to DEBUG or RELEASE.")
 endif ()
 
+if(CLR_CMAKE_TARGET_OSX OR CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
+    # Clang will by default emit objc_msgSend stubs in Xcode 14, which ld from earlier Xcodes doesn't understand.
+    # We disable this by passing -fno-objc-msgsend-selector-stubs to clang.
+    # We can probably remove this flag once we require developers to use Xcode 14.
+    # Ref: https://github.com/xamarin/xamarin-macios/issues/16223
+    check_c_compiler_flag(-fno-objc-msgsend-selector-stubs COMPILER_SUPPORTS_FNO_OBJC_MSGSEND_SELECTOR_STUBS)
+    if(COMPILER_SUPPORTS_FNO_OBJC_MSGSEND_SELECTOR_STUBS)
+        set(CLR_CMAKE_COMMON_OBJC_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS} -fno-objc-msgsend-selector-stubs")
+    endif()
+endif()
+
 if(CLR_CMAKE_TARGET_BROWSER)
 elseif (CLR_CMAKE_TARGET_OSX OR CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     add_definitions(-D__APPLE_USE_RFC_3542)

src/libraries/Native/Unix/System.Globalization.Native/CMakeLists.txt

@@ -66,6 +66,7 @@ set(NATIVEGLOBALIZATION_SOURCES
 
 if (CLR_CMAKE_TARGET_OSX OR CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     set(NATIVEGLOBALIZATION_SOURCES ${NATIVEGLOBALIZATION_SOURCES} pal_locale.m)
+    set_source_files_properties(pal_locale.m PROPERTIES COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 endif()
 
 # time zone names are filtered out of icu data for the browser and associated functionality is disabled

src/libraries/Native/Unix/System.Native/CMakeLists.txt

@@ -35,26 +35,29 @@ set(NATIVE_SOURCES
 
 if (CLR_CMAKE_TARGET_OSX OR CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     list (APPEND NATIVE_SOURCES pal_autoreleasepool.m)
-    set_source_files_properties(pal_autoreleasepool.m PROPERTIES COMPILE_FLAGS -fno-objc-arc)
+    set_source_files_properties(pal_autoreleasepool.m PROPERTIES COMPILE_FLAGS "-fno-objc-arc ${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 else()
     list (APPEND NATIVE_SOURCES pal_autoreleasepool.c)
 endif()
 
 if (CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     list (APPEND NATIVE_SOURCES pal_environment.m)
+    set_source_files_properties(pal_environment.m PROPERTIES COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 else()
     list (APPEND NATIVE_SOURCES pal_environment.c)
 endif()
 
 if (CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     set(NATIVE_SOURCES ${NATIVE_SOURCES}
         pal_datetime.m)
+    set_source_files_properties(pal_datetime.m PROPERTIES COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 endif()
 
 if (CLR_CMAKE_TARGET_MACCATALYST OR CLR_CMAKE_TARGET_IOS OR CLR_CMAKE_TARGET_TVOS)
     set(NATIVE_SOURCES ${NATIVE_SOURCES}
         pal_log.m
         pal_searchpath.m)
+    set_source_files_properties(pal_log.m pal_searchpath.m PROPERTIES COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 else ()
     list (APPEND NATIVE_SOURCES
         pal_searchpath.c
@@ -65,6 +68,7 @@ endif ()
 if (CLR_CMAKE_TARGET_MACCATALYST)
     set(NATIVE_SOURCES ${NATIVE_SOURCES}
         pal_iossupportversion.m)
+    set_source_files_properties(pal_iossupportversion.m PROPERTIES COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
 else ()
     list (APPEND NATIVE_SOURCES
         pal_iossupportversion.c)

src/mono/CMakeLists.txt

@@ -784,6 +784,14 @@ if (TARGET_BROWSER)
   # sys/errno.h exists, but just emits a warning and includes errno.h
   unset(HAVE_SYS_ERRNO_H)
 endif()
+
+if(TARGET_DARWIN)
+  check_c_compiler_flag(-fno-objc-msgsend-selector-stubs COMPILER_SUPPORTS_FNO_OBJC_MSGSEND_SELECTOR_STUBS)
+  if(COMPILER_SUPPORTS_FNO_OBJC_MSGSEND_SELECTOR_STUBS)
+    set(CLR_CMAKE_COMMON_OBJC_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS} -fno-objc-msgsend-selector-stubs")
+  endif()
+endif()
+
 ### End of OS specific checks
 
 add_subdirectory(mono)

src/mono/mono/mini/CMakeLists.txt

@@ -89,6 +89,9 @@ if(HAVE_SYS_ICU)
   addprefix(icu_shim_sources "${ICU_SHIM_PATH}" "${icu_shim_sources_base}")
   set_source_files_properties(${icu_shim_sources} PROPERTIES COMPILE_DEFINITIONS OSX_ICU_LIBRARY_PATH="${OSX_ICU_LIBRARY_PATH}")
   set_source_files_properties(${icu_shim_sources} PROPERTIES COMPILE_FLAGS "-I\"${ICU_INCLUDEDIR}\" -I\"${CMAKE_CURRENT_SOURCE_DIR}/../../../libraries/Native/Unix/System.Globalization.Native/\" -I\"${CMAKE_CURRENT_SOURCE_DIR}/../../../libraries/Native/Unix/Common/\" ${ICU_FLAGS}")
+  if(TARGET_DARWIN)
+    set_property(SOURCE "${ICU_SHIM_PATH}/pal_locale.m" APPEND_STRING PROPERTY COMPILE_FLAGS "${CLR_CMAKE_COMMON_OBJC_FLAGS}")
+  endif()
   if(TARGET_WIN32)
       set_source_files_properties(${icu_shim_sources} PROPERTIES LANGUAGE CXX)
   endif()

src/mono/mono/mini/mini-amd64.c

@@ -363,7 +363,7 @@ collect_field_info_nested (MonoClass *klass, GArray *fields_array, int offset, g
 		g_assert(info);
 		for (i = 0; i < info->num_fields; ++i) {
 			if (MONO_TYPE_ISSTRUCT (info->fields [i].field->type)) {
-				collect_field_info_nested (mono_class_from_mono_type_internal (info->fields [i].field->type), fields_array, info->fields [i].offset, pinvoke, unicode);
+				collect_field_info_nested (mono_class_from_mono_type_internal (info->fields [i].field->type), fields_array, (offset + info->fields [i].offset), pinvoke, unicode);
 			} else {
 				guint32 align;
 				StructFieldInfo f;
@@ -373,7 +373,7 @@ collect_field_info_nested (MonoClass *klass, GArray *fields_array, int offset, g
 															   info->fields [i].mspec,
 															   &align, TRUE, unicode);
 				f.offset = offset + info->fields [i].offset;
-				if (i == info->num_fields - 1 && f.size + f.offset < info->native_size) {
+				if ((i == info->num_fields - 1) && ((f.size + f.offset) < (info->native_size))) {
 					/* This can happen with .pack directives eg. 'fixed' arrays */
 					if (MONO_TYPE_IS_PRIMITIVE (f.type)) {
 						/* Replicate the last field to fill out the remaining place, since the code in add_valuetype () needs type information */