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6f3d58
2016 May 03
4
Linux/ARM: Segfault issue when we build clang sources including __thread variable using -O2 flag
A few days ago, I tried to change the optimization flag from -O0 to -O2 to
speed up the execution of the application on Ubuntu/ARM 14.04 32 bit.
When I compiled the source code with -O2 flag instead of -O0 flag, I could
not run the application normally by getting always the segmentation fault.
Here is debugging information with GDB command in case of that. As you can
see, we could not execute