Ivan Grokhotkov b5606f5e81 esp_system: make the abort operation compatible with clang ...

Clang warns that the original code wouldn't have any effect:

    warning: indirection of non-volatile null pointer will be deleted,
             not trap [-Wnull-dereference]
    note: consider using __builtin_trap() or qualifying pointer
          with 'volatile'

__builtin_trap translates to 'break 1, 15' instruction on Xtensa,
which might be okay in this case. However to absolutely certainly not
break anything for GCC builds, add 'volatile' instead.

2021-09-16 11:07:54 +02:00

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