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C++: migrate change note

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Robert Marsh
2018-09-13 09:53:41 -07:00
parent 0e44bf3c30
commit 1a14b13703
2 changed files with 21 additions and 2 deletions
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change-notes/1.18/analysis-cpp.md
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| [Uncontrolled data in arithmetic expression] | More correct results | Increment / decrement / addition assignment / subtraction assignment operations are now understood as arithmetic operations in this query. |
| [Use of extreme values in arithmetic expression] | More correct results | Increment / decrement / addition assignment / subtraction assignment operations are now understood as arithmetic operations in this query. |
| [Use of extreme values in arithmetic expression] | Fewer false positives | The query now considers whether a particular expression might cause an overflow of minimum or maximum values only. |
## Changes to QL libraries
* Fixes for aggregate initializers using designators:
* `ClassAggregateLiteral.getFieldExpr()` previously assumed initializer expressions appeared in the same order as the declaration order of the fields, causing it to associate the expressions with the wrong fields when using designated initializers. This has been fixed.
* `ArrayAggregateLiteral.getElementExpr()` previously assumed initializer expressions appeared in the same order as the corresponding array elements, causing it to associate the expressions with the wrong array elements when using designated initializers. This has been fixed.
* `Element.getEnclosingElement()` no longer includes macro accesses in its results. To explore parents and children of macro accesses, use the relevant member predicates on `MacroAccess` or `MacroInvocation`.
* Added a hash consing library for structural comparison of expressions.

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change-notes/1.19/analysis-cpp.md Normal file
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# Improvements to C/C++ analysis
## General improvements
## New queries
| **Query** | **Tags** | **Purpose** |
|-----------------------------|-----------|--------------------------------------------------------------------|
| *@name of query (Query ID)* | *Tags* |*Aim of the new query and whether it is enabled by default or not* |
## Changes to existing queries
| **Query** | **Expected impact** | **Change** |
|----------------------------|------------------------|------------------------------------------------------------------|
| *@name of query (Query ID)*| *Impact on results* | *How/why the query has changed* |
## Changes to QL libraries
* Added a hash consing library for structural comparison of expressions.