Processing of the -arch option happens at debug map parsing time, thus just
looking at the dumped debug maps is enough to validate their effects.

RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib | FileCheck %s -check-prefix=ARM64 -check-prefix=ARMV7S -check-prefix=ARMV7 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch all | FileCheck %s -check-prefix=ARM64 -check-prefix=ARMV7S -check-prefix=ARMV7 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch='*' | FileCheck %s -check-prefix=ARM64 -check-prefix=ARMV7S -check-prefix=ARMV7 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch arm64 | FileCheck %s -check-prefix=ARM64 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch arm | FileCheck %s -check-prefix=ARMV7S -check-prefix=ARMV7 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch armv7 | FileCheck %s -check-prefix=ARMV7 -check-prefix=CHECK
RUN: dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch arm64 -arch armv7s | FileCheck %s -check-prefix=ARM64 -check-prefix=ARMV7S -check-prefix=CHECK
RUN: not dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch arm42 2>&1 | FileCheck %s -check-prefix=BADARCH
RUN: not dsymutil -oso-prepend-path %p -dump-debug-map %p/Inputs/fat-test.arm.dylib -arch i386 2>&1 | FileCheck %s -check-prefix=EMPTY


ARMV7: ---
ARMV7-NOT: ...
ARMV7: triple:          'armv7-apple-darwin'
ARMV7-NOT: ...
ARMV7: sym: _armv7_var
ARMV7-NOT: ---

ARMV7S: ---
ARMV7S-NOT: ...
ARMV7S: triple:          'armv7s-apple-darwin'
ARMV7S-NOT: ...
ARMV7S: sym: _armv7s_var
ARMV7S-NOT: ---

ARM64: ---
ARM64-NOT: ...
ARM64: triple:          'arm64-apple-darwin'
ARM64-NOT: ...
ARM64: sym: _arm64_var
ARM64-NOT: ---

CHECK: ...

BADARCH: error: unsupported cpu architecture: 'arm42'
EMPTY: error: no architecture to link