Different bitcast

Author: jkotas

src/coreclr/nativeaot/Runtime/unix/UnwindHelpers.cpp

@@ -518,14 +518,26 @@ void Registers_REGDISPLAY::setRegister(int num, uint32_t value, uint32_t locatio
 
 double Registers_REGDISPLAY::getFloatRegister(int num) const
 {
+    union {
+      uint64_t w;
+      double d;
+    } d;
+
     assert(validFloatRegister(num));
-    return D[num - UNW_ARM_D8];
+    d.w = D[num - UNW_ARM_D8];
+    return d.d;
 }
 
 void Registers_REGDISPLAY::setFloatRegister(int num, double value)
 {
+    union {
+      uint64_t w;
+      double d;
+    } d;
+
     assert(validFloatRegister(num));
-    D[num - UNW_ARM_D8] = value;
+    d.d = value;
+    D[num - UNW_ARM_D8] = d.w;
 }
 
 #endif // TARGET_ARM