Merge branch 'master' of https://github.com/keystone-engine/beta

suite/patch_major_os_version.py

suite/regress/c-crashers/Makefile

...egress/c-crashers/crash-02-hexagon-index-lt-size-failed.c

suite/regress/c-crashers/crash-03-x64-invalid-index.c

.../c-crashers/crash-04-hexagon-readcount-not-equal-to-one.c

...-crashers/crash-05-x64-normal-symbols-cannot-be-unnamed.c

...h-06-systemz-exponent-has-no-digits-in-apfloat-line-126.c

...h-07-systemz-exponent-has-no-digits-in-apfloat-line-131.c

...-systemz-invalid-character-in-exponent-absexponent-case.c

...ash-09-hexagon-invalid-character-in-exponent-value-case.c

...h-10-x64-stringref-cannot-be-built-from-a-null-argument.c

...ystemz-elfobjectwriter-should-not-have-constructed-this.c

...12-x64-cannot-set-a-variable-that-has-already-been-used.c

...13-hexagon-mc-code-emitter-mk-is-not-equal-to-symbolref.c

suite/regress/c-crashers/crash-14-x64-invalid-accessor.c

...ss/c-crashers/crash-15-x64-expected-macro-to-be-defined.c

...6-arm-expression-value-must-be-representable-in-32-bits.c

suite/regress/c-crashers/crash-17-arm-invalid-size.c

suite/regress/c-crashers/crash-18-arm-invalid-access.c

...ress/c-crashers/crash-19-arm-unable-to-encode-mcoperand.c