[release/5.0] Add variable lifetime update for GT_STOREIND for arm/ar…

…m64 (#46206)

Port #46059 to release/5.0

Fix #45557 for arm/arm64

Fixes #46023

src/coreclr/src/jit/codegenarm.cpp

@@ -1345,6 +1345,9 @@ void CodeGen::genCodeForStoreInd(GenTreeStoreInd* tree)
         }
 
         GetEmitter()->emitInsLoadStoreOp(ins_Store(type), emitActualTypeSize(type), data->GetRegNum(), tree);
+
+        // If store was to a variable, update variable liveness after instruction was emitted.
+        genUpdateLife(tree);
     }
 }
 

src/coreclr/src/jit/codegenarm64.cpp

@@ -3233,6 +3233,9 @@ void CodeGen::genCodeForStoreInd(GenTreeStoreInd* tree)
         }
 
         GetEmitter()->emitInsLoadStoreOp(ins, emitActualTypeSize(type), dataReg, tree);
+
+        // If store was to a variable, update variable liveness after instruction was emitted.
+        genUpdateLife(tree);
     }
 }