testsuite: Fix build with standards compliant Clang
As per https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html, the correct
macro to be used is __asm__. While at it, also ensure that Clang is
recognised with the correct macro.
Fixes #59 (closed)
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As per https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html, the correct
macro to be used is __asm__. While at it, also ensure that Clang is
recognised with the correct macro.
Fixes #59 (closed)