[x86] Force EBP frame for synchronized methods (dotnet#112243)

src/coreclr/jit/morph.cpp

@@ -13961,8 +13961,11 @@ void Compiler::fgSetOptions()
     // an EH clause that we delete as statically dead code before we
     // get here, leaving no EH clauses left, and thus no requirement
     // to use a frame pointer because of EH. But until all the code uses
-    // the same test, leave info.compXcptnsCount here.
-    if (info.compXcptnsCount > 0)
+    // the same test, leave info.compXcptnsCount here. Also test for
+    // CORINFO_FLG_SYNCH methods which are converted into try-finally
+    // with Monitor helper calls in funclet ABI and need to be treated
+    // as methods with EH.
+    if (info.compXcptnsCount > 0 || (UsesFunclets() && (info.compFlags & CORINFO_FLG_SYNCH)))
     {
         codeGen->setFramePointerRequiredEH(true);