[compiler] Fix a few test flakes and reenable the tests

Bug: v8:12173
Change-Id: I2983be9133f8ff4d1740e8eba05a3c29d603dfc3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3168270
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76939}

test/mjsunit/compiler/call-with-arraylike-or-spread-7.js

@@ -43,6 +43,7 @@
   // The call with spread should have been inlined.
   assertFalse(log_got_interpreted);
   assertOptimized(foo);
+  %PrepareFunctionForOptimization(foo);
 
   // This invalidates the DependOnArrayIteratorProtector and causes deopt.
   Object.defineProperty(Array.prototype, Symbol.iterator, {

test/mjsunit/es6/map-constructor-entry-side-effect2.js

@@ -38,6 +38,11 @@ function TestMapConstructorEntrySideEffect(ctor) {
   ctor.prototype.set = originalPrototypeSet;
 }
 
+// Forbid inlining these helper functions to avoid deopt surprises.
+%NeverOptimizeFunction(assertEquals);
+%NeverOptimizeFunction(assertFalse);
+%NeverOptimizeFunction(assertTrue);
+
 %PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect);
 TestMapConstructorEntrySideEffect(Map);
 TestMapConstructorEntrySideEffect(Map);
@@ -48,6 +53,7 @@ assertOptimized(TestMapConstructorEntrySideEffect);
 
 // This call would deopt
 TestMapConstructorEntrySideEffect(WeakMap);
+
 %PrepareFunctionForOptimization(TestMapConstructorEntrySideEffect);
 TestMapConstructorEntrySideEffect(WeakMap);
 TestMapConstructorEntrySideEffect(WeakMap);

test/mjsunit/mjsunit.status

@@ -211,11 +211,6 @@
   'regress/regress-crbug-941743': [PASS, HEAVY],
   'regress/regress-crbug-1191886': [PASS, HEAVY],
   'wasm/externref-globals': [PASS, HEAVY],
-
-  # BUG(v8:12173).
-  'compiler/call-with-arraylike-or-spread-7': [PASS, FAIL],
-  'ic-migrated-map-add-when-monomorphic': [PASS, FAIL],
-  'es6/map-constructor-entry-side-effect2': [PASS, FAIL]
 }],  # ALWAYS
 
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