I've come across an hard-to-debug situation in one of my real projects where I was accidentally accessing a reference to a local variable inside a lambda that had been moved. The access was being d...

How do I enable usage of sanitizers in QMake's .pro files? I found several ressources that modify QMAKE_CXXFLAGS themselves but the introductory blogpost says: It is scheduled for the dev branc...

For a few days now I get the following issue when starting up the Address Sanitizer within Xcode 7.3. The error messages printed to the Xcode console when the Sanitizer found an issue (that was act...

In gcc-4.9 changes it says: UndefinedBehaviorSanitizer (ubsan), a fast undefined behavior detector, has been added and can be enabled via -fsanitize=undefined. Various computations will be ins...

I'm getting exactly the same results from centos7, clang-3.6.1 built from source using a fedora rpm specfile. Ubuntu 14.04, clang-3.4 Using the instructions from the wiki here https://github.com/g...

I am playing around with Memory Sanitizer with Clang 3.7.0 on Ubuntu 14.04. The following code does work perfectly: #include <cstdio> int main() { double ans; printf("Hello World: %f\n", ...

EDIT: If its TLDR, just skip to the bottom. Its where I ask: How do I configure an autotools project to use a static library? I'm working with a couple of open source libraries, and I'm trying to ...

I would like to use clang address sanitizer on OSX Mountain Lion, because Valgrind have problems with memory check on this platform. But when I had the -fsanitize=address during the compilation tim...

I switched on -fsanitize=undefined on my project which uses Catch, the unit testing library. One line from Catch was signalled as causing undefined behaviour by this flag. I managed to make an isol...

I'm sorry if this is a uber-easy concept, but I find hard to acquire the right mindset in order to correctly use the sanitizer provided by clang. float foo(float f) { return (f / 0); } I compile...

A huge number of operations in C++ result in undefined behavior, where the spec is completely mute about what the program's behavior ought to be and allows for anything to happen. Because of this, ...