[asan] Move long-object-path.cc test to Linux

[Lekensteyn]

Good idea, the workaround was only needed for glibc (which officially supports Linux and Hurd only).

[Lekensteyn]

Wait, what happened to compiler-rt/test/asan/TestCases/log-path_test.cc? It should not be removed.

[vitalybuka]

In D48186#1132961, @Lekensteyn wrote:

Wait, what happened to compiler-rt/test/asan/TestCases/log-path_test.cc? It should not be removed.

Thanks. That was unintentional. Fixed.

test/asan/TestCases/Linux/long-object-path.cc

+// RUN: mkdir -p %T/a-long-directory-name-to-test-allocations-for-exceptions-in-_dl_lookup_symbol_x-since-glibc-2.27
+// RUN: %clangxx_asan -g %s -o %T/long-object-path
+// RUN: %run %T/a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../long-object-path
+
+int main(void) {
+    return 0;
+}

test/asan/TestCases/long-object-path.cc

-// RUN: mkdir -p %T/a-long-directory-name-to-test-allocations-for-exceptions-in-_dl_lookup_symbol_x-since-glibc-2.27
-// RUN: %clangxx_asan -g %s -o %T/long-object-path
-// RUN: %run %T/a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../a-*/../long-object-path
-// UNSUPPORTED: win32
-
-int main(void) {
-    return 0;
-}