[llvm-bugs] [Bug 25773] New: Analyzer misses potential pointer invalidations due to reallocation
llvm-bugs at lists.llvm.org
Tue Dec 8 06:40:13 PST 2015
Bug ID: 25773
Summary: Analyzer misses potential pointer invalidations due to
Component: Static Analyzer
Assignee: kremenek at apple.com
Reporter: t at sharklasers.com
CC: llvm-bugs at lists.llvm.org
Created attachment 15414
Code demonstrating the bug
The example hinges on the fact that pointers to objects that a managed by a
container or smart pointer can be invalidated by operations on the container or
$ scan-build g++ -std=c++1z potential_ptr_invalidation.cpp
scan-build: Using 'local/tmp/clang/bin/clang' for static analysis
scan-build: Removing directory '/tmp/scan-build-2015-12-08-153923-8231-1'
because it contains no reports.
scan-build: No bugs found.
Example taken from the talk "CppCon 2015: Herb Sutter "Writing Good C++14... By
Default" at 49:54 (a Microsoft static analysis tool was demonstrated that is
supposedly able to catch this bug)
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