[cfe-users] Using -fsanitize=safe-stack compiler/linker flag

[Alex Chen via cfe-users]

I am using clang 3.8.0 and gcc 6.2.1 on CentOS 7.3.  Everything works fine until I add ‘-fsanitize=safe-stack’ to the compiler and linker flags.

The shared libraries are built fine but executables linking with these libraries cannot be generated due to a unresolved symbol __safestack_unsaft_stack_ptr. 

Is this because that symbol is only available in Clang’s libc++ runtime library but not in gcc’s libstdc++?

 

 

Alex Chen

 

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