Make JitOptimizeAwait not a release switch.

Author: VSadov

src/coreclr/jit/importer.cpp

@@ -9099,7 +9099,11 @@ void Compiler::impImportBlockCode(BasicBlock* block)
                     //       that control the flow of sync context.
                     //       We do not have that yet.
                     int configVal = -1; // -1 not configured, 0/1 configured to false/true
+#ifdef DEBUG
                     if (compIsAsync() && JitConfig.JitOptimizeAwait())
+#else
+                    if (compIsAsync())
+#endif
                     {
                         if (impMatchTaskAwaitPattern(codeAddr, codeEndp, &configVal))
                         {

src/coreclr/jit/jitconfigvalues.h

@@ -584,7 +584,7 @@ OPT_CONFIG_INTEGER(JitDoIfConversion, "JitDoIfConversion", 1)
 OPT_CONFIG_INTEGER(JitDoOptimizeMaskConversions, "JitDoOptimizeMaskConversions", 1) // Perform optimization of mask
                                                                                     // conversions
 
-RELEASE_CONFIG_INTEGER(JitOptimizeAwait, "JitOptimizeAwait", 1) // Perform optimization of Await intrinsics
+OPT_CONFIG_INTEGER(JitOptimizeAwait, "JitOptimizeAwait", 1) // Perform optimization of Await intrinsics
 
 RELEASE_CONFIG_INTEGER(JitEnableOptRepeat, "JitEnableOptRepeat", 1) // If zero, do not allow JitOptRepeat
 RELEASE_CONFIG_METHODSET(JitOptRepeat, "JitOptRepeat")            // Runs optimizer multiple times on specified methods