JIT: Enable RPO-based block layout by default (#102343)

Author: amanasifkhalid

src/coreclr/jit/jitconfigvalues.h

@@ -771,7 +771,7 @@ RELEASE_CONFIG_INTEGER(JitEnablePhysicalPromotion, W("JitEnablePhysicalPromotion
 RELEASE_CONFIG_INTEGER(JitEnableCrossBlockLocalAssertionProp, W("JitEnableCrossBlockLocalAssertionProp"), 1)
 
 // Do greedy RPO-based layout in Compiler::fgReorderBlocks.
-RELEASE_CONFIG_INTEGER(JitDoReversePostOrderLayout, W("JitDoReversePostOrderLayout"), 0);
+RELEASE_CONFIG_INTEGER(JitDoReversePostOrderLayout, W("JitDoReversePostOrderLayout"), 1);
 
 // JitFunctionFile: Name of a file that contains a list of functions. If the currently compiled function is in the
 // file, certain other JIT config variables will be active. If the currently compiled function is not in the file,