Merge pull request #8587 from merryhime/padding-unused

common_funcs: Mark padding as [[maybe_unused]]

src/common/common_funcs.h

@@ -18,14 +18,16 @@
 /// Helper macros to insert unused bytes or words to properly align structs. These values will be
 /// zero-initialized.
 #define INSERT_PADDING_BYTES(num_bytes)                                                            \
-    std::array<u8, num_bytes> CONCAT2(pad, __LINE__) {}
+    [[maybe_unused]] std::array<u8, num_bytes> CONCAT2(pad, __LINE__) {}
 #define INSERT_PADDING_WORDS(num_words)                                                            \
-    std::array<u32, num_words> CONCAT2(pad, __LINE__) {}
+    [[maybe_unused]] std::array<u32, num_words> CONCAT2(pad, __LINE__) {}
 
 /// These are similar to the INSERT_PADDING_* macros but do not zero-initialize the contents.
 /// This keeps the structure trivial to construct.
-#define INSERT_PADDING_BYTES_NOINIT(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__)
-#define INSERT_PADDING_WORDS_NOINIT(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__)
+#define INSERT_PADDING_BYTES_NOINIT(num_bytes)                                                     \
+    [[maybe_unused]] std::array<u8, num_bytes> CONCAT2(pad, __LINE__)
+#define INSERT_PADDING_WORDS_NOINIT(num_words)                                                     \
+    [[maybe_unused]] std::array<u32, num_words> CONCAT2(pad, __LINE__)
 
 #ifndef _MSC_VER