Title: [211675] trunk/Source/_javascript_Core
Revision
211675
Author
[email protected]
Date
2017-02-04 17:26:25 -0800 (Sat, 04 Feb 2017)

Log Message

Static Analyzer: Value stored to 'prev' is never read
https://bugs.webkit.org/show_bug.cgi?id=167844

Patch by Joseph Pecoraro <[email protected]> on 2017-02-04
Reviewed by Saam Barati.

Source/_javascript_Core/runtime/JSMapIterator.h:60:13: warning: Value stored to 'prev' is never read
            prev = bucket;
            ^      ~~~~~~
Source/_javascript_Core/runtime/JSSetIterator.h:60:13: warning: Value stored to 'prev' is never read
            prev = bucket;
            ^      ~~~~~~

* runtime/JSMapIterator.h:
(JSC::JSMapIterator::advanceIter):
* runtime/JSSetIterator.h:
(JSC::JSSetIterator::advanceIter):

Modified Paths

Diff

Modified: trunk/Source/_javascript_Core/ChangeLog (211674 => 211675)


--- trunk/Source/_javascript_Core/ChangeLog	2017-02-04 21:46:21 UTC (rev 211674)
+++ trunk/Source/_javascript_Core/ChangeLog	2017-02-05 01:26:25 UTC (rev 211675)
@@ -1,3 +1,22 @@
+2017-02-04  Joseph Pecoraro  <[email protected]>
+
+        Static Analyzer: Value stored to 'prev' is never read
+        https://bugs.webkit.org/show_bug.cgi?id=167844
+
+        Reviewed by Saam Barati.
+
+        Source/_javascript_Core/runtime/JSMapIterator.h:60:13: warning: Value stored to 'prev' is never read
+                    prev = bucket;
+                    ^      ~~~~~~
+        Source/_javascript_Core/runtime/JSSetIterator.h:60:13: warning: Value stored to 'prev' is never read
+                    prev = bucket;
+                    ^      ~~~~~~
+
+        * runtime/JSMapIterator.h:
+        (JSC::JSMapIterator::advanceIter):
+        * runtime/JSSetIterator.h:
+        (JSC::JSSetIterator::advanceIter):
+
 2017-02-04  Yusuke Suzuki  <[email protected]>
 
         [JSC] Add operationToInt32SensibleSlow to optimize kraken pbkdf2 and sha256

Modified: trunk/Source/_javascript_Core/runtime/JSMapIterator.h (211674 => 211675)


--- trunk/Source/_javascript_Core/runtime/JSMapIterator.h	2017-02-04 21:46:21 UTC (rev 211674)
+++ trunk/Source/_javascript_Core/runtime/JSMapIterator.h	2017-02-05 01:26:25 UTC (rev 211675)
@@ -56,10 +56,8 @@
         if (!prev)
             return nullptr;
         HashMapBucketType* bucket = m_iter->next();
-        while (bucket && bucket->deleted()) {
-            prev = bucket;
+        while (bucket && bucket->deleted())
             bucket = bucket->next();
-        }
         if (!bucket) {
             setIterator(exec->vm(), nullptr);
             return nullptr;

Modified: trunk/Source/_javascript_Core/runtime/JSSetIterator.h (211674 => 211675)


--- trunk/Source/_javascript_Core/runtime/JSSetIterator.h	2017-02-04 21:46:21 UTC (rev 211674)
+++ trunk/Source/_javascript_Core/runtime/JSSetIterator.h	2017-02-05 01:26:25 UTC (rev 211675)
@@ -56,10 +56,8 @@
         if (!prev)
             return nullptr;
         HashMapBucketType* bucket = m_iter->next();
-        while (bucket && bucket->deleted()) {
-            prev = bucket;
+        while (bucket && bucket->deleted())
             bucket = bucket->next();
-        }
         if (!bucket) {
             setIterator(exec->vm(), nullptr);
             return nullptr;
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