http://llvm.org/bugs/show_bug.cgi?id=19433
Bug ID: 19433
Summary: Control-flow gets confused when assert(false) is in a
try-block.
Product: clang
Version: trunk
Hardware: Macintosh
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 12372
--> http://llvm.org/bugs/attachment.cgi?id=12372&action=edit
Small program demonstrating the problem.
I tried running scan_build on the libc++ test suite, and got a false positive.
there's a reduced example attached, but basically, the code in question looks
like:
list<int> l;
int foo = l.count();
try {
l.insert(5);
assert(false);
}
catch (...) {}
assert ( foo == l.count());
where the call to "l.insert" will throw.
scan-build complains that "foo" is initialized but never read.
[ and yes, I have exceptions enabled ]
If I remove the assert(false), then the warning goes away.
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