libunwind: Fix a -Wunused-but-set-variable warning when building for …

…32-bit arm
CTSRD-CHERI · Sep 8, 2023 · 2326718 · 2326718
1 parent 2f2dd31
commit 2326718
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/libunwind/src/Unwind-EHABI.cpp b/libunwind/src/Unwind-EHABI.cpp
@@ -261,7 +261,9 @@ _Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
                       size_t offset, size_t len) {
   bool wrotePC = false;
   bool finish = false;
+#ifdef __ARM_FEATURE_PAUTH
   bool hasReturnAddrAuthCode = false;
+#endif
   while (offset < len && !finish) {
     uint8_t byte = getByte(data, offset++);
     if ((byte & 0x80) == 0) {
@@ -348,10 +350,12 @@ _Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
               break;
             }
             case 0xb4:
+#ifdef __ARM_FEATURE_PAUTH
               hasReturnAddrAuthCode = true;
               _Unwind_VRS_Pop(context, _UVRSC_PSEUDO,
                               0 /* Return Address Auth Code */, _UVRSD_UINT32);
               break;
+#endif
             case 0xb5:
             case 0xb6:
             case 0xb7: