Testing compiler for supporting FLAGS-fxray-instrument:
Command: /home/autobuild/autobuild/instance-20/output-1/host/bin/armeb-buildroot-linux-gnueabi-gcc;;;-D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-Os;-g0;-D_FORTIFY_SOURCE=2;-Wall;-Wno-unused-parameter;-fxray-instrument;-o;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/test.o;-c;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/src.c

armeb-buildroot-linux-gnueabi-gcc.br_real: error: unrecognized command-line option '-fxray-instrument'

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Testing compiler for supporting SOURCE
_Float16 foo(_Float16 x) {
 return x
}
:
Command: /home/autobuild/autobuild/instance-20/output-1/host/bin/armeb-buildroot-linux-gnueabi-gcc;;;-D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-Os;-g0;-D_FORTIFY_SOURCE=2;-Wall;-Wno-unused-parameter;;-o;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/test.o;-c;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/src.c

/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/src.c:2:1: error: '_Float16' is not supported on this target
    2 | _Float16 foo(_Float16 x) {
      | ^~~~~~~~
/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/src.c:2:14: error: '_Float16' is not supported on this target
    2 | _Float16 foo(_Float16 x) {
      |              ^~~~~~~~

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Testing compiler for supporting SOURCE
asm(".arch armv8-a+lse")
asm("cas w0, w1, [x2]")
:
Command: /home/autobuild/autobuild/instance-20/output-1/host/bin/armeb-buildroot-linux-gnueabi-gcc;;;-D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-Os;-g0;-D_FORTIFY_SOURCE=2;-Wall;-Wno-unused-parameter;;-o;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/test.o;-c;/home/autobuild/autobuild/instance-20/output-1/build/compiler-rt-15.0.3/buildroot-build/CMakeFiles/src.c

/tmp/ccoEieec.s: Assembler messages:
/tmp/ccoEieec.s:16: Error: unknown architecture `armv8-a+lse'

/tmp/ccoEieec.s:17: Error: bad instruction `cas w0,w1,[x2]'

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