Fix unused variable compile error

Author: aheejin

system/lib/libcxxabi/src/cxa_personality.cpp

@@ -663,6 +663,7 @@ static void scan_eh_tab(scan_results &results, _Unwind_Action actions,
     const uint8_t* lpStart = lpStartEncoding == DW_EH_PE_omit
                                  ? (const uint8_t*)funcStart
                                  : (const uint8_t*)readEncodedPointer(&lsda, lpStartEncoding, base);
+    (void)(lpStart);  // Unused when using SjLj/Wasm exceptions
     uint8_t ttypeEncoding = *lsda++;
     if (ttypeEncoding != DW_EH_PE_omit)
     {
@@ -676,7 +677,7 @@ static void scan_eh_tab(scan_results &results, _Unwind_Action actions,
     // includes current PC.
     uint8_t callSiteEncoding = *lsda++;
 #if defined(__USING_SJLJ_EXCEPTIONS__) || defined(__USING_WASM_EXCEPTIONS__)
-    (void)callSiteEncoding;  // When using SjLj/Wasm exceptions, callSiteEncoding is never used
+    (void)callSiteEncoding;  // Unused when using SjLj/Wasm exceptions
 #endif
     uint32_t callSiteTableLength = static_cast<uint32_t>(readULEB128(&lsda));
     const uint8_t* callSiteTableStart = lsda;