danielmarjamaki added inline comments.

================
Comment at: lib/StaticAnalyzer/Checkers/ConversionChecker.cpp:84
@@ +83,3 @@
+// Can E value be greater or equal than Val?
+static bool canBeGreaterEqual(CheckerContext &C, const Expr *E,
+                              unsigned long long Val) {
----------------
zaks.anna wrote:
> This function returns true if the value "is" greater or equal, not "can be" 
> greater or equal. The latter would be "return StGE".
> 
> Also, it's slightly better to return the StGE state and use it to report the 
> bug. This way, our assumption is explicitly recorded in the error state.
NoQ made the same comment. I disagree.

    int A = 0;
    if (X) {
         A = 1000;
    }
    U8 = A;  // <- Imho; A _can_ be 1000

Imho it's better to say that A _can_ be 1000 unless A is 1000 for all possible 
execution paths through the code.

Do you still think "is" is better than "can be"?


http://reviews.llvm.org/D13126



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