JIT: Remove the minopts policy against cctors (#90792)

* Introduce a switch to use FullOpts for cctors

* Remove the obsolete policy around cctors

* Revert changes around the new switch

Author: hez2010

src/coreclr/jit/compiler.cpp

@@ -2434,12 +2434,6 @@ void Compiler::compInitOptions(JitFlags* jitFlags)
     {
         opts.compFlags = CLFLG_MINOPT;
     }
-    // Don't optimize .cctors (except prejit) or if we're an inlinee
-    else if (!jitFlags->IsSet(JitFlags::JIT_FLAG_PREJIT) && ((info.compFlags & FLG_CCTOR) == FLG_CCTOR) &&
-             !compIsForInlining())
-    {
-        opts.compFlags = CLFLG_MINOPT;
-    }
 
     // Default value is to generate a blend of size and speed optimizations
     //
@@ -2579,7 +2573,7 @@ void Compiler::compInitOptions(JitFlags* jitFlags)
         pfAltJit = &JitConfig.AltJit();
     }
 
-    if (opts.jitFlags->IsSet(JitFlags::JIT_FLAG_ALT_JIT))
+    if (jitFlags->IsSet(JitFlags::JIT_FLAG_ALT_JIT))
     {
         if (pfAltJit->contains(info.compMethodHnd, info.compClassHnd, &info.compMethodInfo->args))
         {
@@ -2605,7 +2599,7 @@ void Compiler::compInitOptions(JitFlags* jitFlags)
         altJitVal = JitConfig.AltJit().list();
     }
 
-    if (opts.jitFlags->IsSet(JitFlags::JIT_FLAG_ALT_JIT))
+    if (jitFlags->IsSet(JitFlags::JIT_FLAG_ALT_JIT))
     {
         // In release mode, you either get all methods or no methods. You must use "*" as the parameter, or we ignore
         // it. You don't get to give a regular expression of methods to match.