Revert of [compiler] Fix flipped boolean checks in marked tier-up

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 7a29459902c3213e9f09c64b5c15424b5b4ccd47..05ca9bb349757fa9d1759d2112209c91bdd69e9c 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -879,7 +879,7 @@
         }
 
         Handle<Code> code;
-        if (GetBaselineCode(function).ToHandle(&code)) {
+        if (!GetBaselineCode(function).ToHandle(&code)) {
           return code;
         }
         break;
@@ -893,8 +893,8 @@
 
         Handle<Code> code;
         // TODO(leszeks): Look into performing this compilation concurrently.
-        if (GetOptimizedCode(function, Compiler::NOT_CONCURRENT)
-                .ToHandle(&code)) {
+        if (!GetOptimizedCode(function, Compiler::NOT_CONCURRENT)
+                 .ToHandle(&code)) {
           return code;
         }
         break;