[libFuzzer] Fix multi-arch build support for fuzzer tests.

The bug was not previously exposed as only one architecture is currently
supported for libFuzzer.

Differential Revision: https://reviews.llvm.org/D47287

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@333242 91177308-0d34-0410-b5e6-96231b3b80d8

Author: George Karpenkov

test/fuzzer/CMakeLists.txt

@@ -50,14 +50,16 @@ macro(test_fuzzer stdlib)
       ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/lit.site.cfg
       )
 
-    add_lit_testsuite(check-fuzzer-${stdlib_name} "Running Fuzzer ${stdlib} tests"
-      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}
+    add_lit_testsuite(check-fuzzer-${stdlib_name}-${arch}
+      "Running Fuzzer ${stdlib} tests"
+      ${CMAKE_CURRENT_BINARY_DIR}/${CONFIG_NAME}/
       DEPENDS ${LIBFUZZER_TEST_DEPS})
     if(TEST_DEPS)
-      add_dependencies(check-fuzzer-${stdlib_name} ${TEST_DEPS})
+      add_dependencies(check-fuzzer-${stdlib_name}-${arch} ${TEST_DEPS})
     endif()
-    set_target_properties(check-fuzzer-${stdlib_name} PROPERTIES FOLDER "Compiler-RT Tests")
-    add_dependencies(check-fuzzer check-fuzzer-${stdlib_name})
+    set_target_properties(check-fuzzer-${stdlib_name}-${arch}
+        PROPERTIES FOLDER "Compiler-RT Tests")
+    add_dependencies(check-fuzzer check-fuzzer-${stdlib_name}-${arch})
   endforeach()
 endmacro()