[K/N][tests] Ignore test redundant_safepoints.kt under linux_x64

^KT-64844

compiler/testData/codegen/box/fileCheck/redundant_safepoints.kt

@@ -1,6 +1,9 @@
 // TARGET_BACKEND: NATIVE
 // FILECHECK_STAGE: RemoveRedundantSafepoints
 
+// KT-64844
+// IGNORE_NATIVE: target=linux_x64 && optimizationMode=OPT
+
 // This test checks:
 // - there is only one safepoint per function
 // - safepoint function is inlined in OPT mode, unless SMALLBINARY is needed (for ex, watchos_arm32)