Fix build error with IntelLLVM compiler #33

Job	Run time
build-native-gcc	5m 36s
build-native-llvm	4m 5s
test-native-gcc	10m 5s
build-aarch64-gcc	3m 58s
test-native-llvm	9m 52s
build-aarch64-llvm	7m 0s
build-armhf-gcc	1m 39s
build-armhf-llvm	4m 27s
build-ppc64el-gcc	6m 32s
build-ppc64el-llvm	7m 1s
build-s390x-gcc	5m 40s
build-s390x-llvm	5m 46s
build-riscv64-llvm	1m 55s
test-aarch64-gcc (qemu_cpu: "max,sve=off")	16m 45s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve128=on")	24m 52s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve256=on")	27m 23s
test-aarch64-gcc (qemu_cpu: "max,sve=on,sve512=on")	29m 44s
test-armhf-gcc (qemu_cpu: "max")	15m 20s
test-armhf-llvm (qemu_cpu: "max")	14m 37s
test-ppc64el-gcc (qemu_cpu: "power10")	27m 52s
test-ppc64el-llvm (qemu_cpu: "power10")	27m 45s
test-s390x-gcc (qemu_cpu: "")	20m 42s
test-s390x-llvm (qemu_cpu: "")	21m 42s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=false")	7m 8s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=128,elen=64,vext_spec=v1.0")	14m 3s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=256,elen=64,vext_spec=v1.0")	20m 54s
test-riscv64-llvm (qemu_cpu: "rv64,zba=true,zbb=true,zbs=true,v=true,vlen=512,elen=64,vext_spec=v1.0")	34m 15s
	6h 16m 38s

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