fix optimization-disabled test builds with platform010 (#11361)
Summary:
Fixed the following failure:
```
third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc: In function ‘bool testing::internal::StackGrowsDown()’:
third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:8681:24: error: ‘dummy’ may be used uninitialized [-Werror=maybe-uninitialized]
8681 | StackLowerThanAddress(&dummy, &result);
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:8671:13: note: by argument 1 of type ‘const void*’ to ‘void testing::internal::StackLowerThanAddress(const void*, bool*)’ declared here
8671 | static void StackLowerThanAddress(const void* ptr, bool* result) {
| ^~~~~~~~~~~~~~~~~~~~~
third-party/gtest-1.8.1/fused-src/gtest/gtest-all.cc:8679:7: note: ‘dummy’ declared here
8679 | int dummy;
| ^~~~~
```
Pull Request resolved: https://github.com/facebook/rocksdb/pull/11361
Reviewed By: cbi42
Differential Revision: D44838033
Pulled By: ajkr
fbshipit-source-id: 27d68b5a24a15723bbaaa7de45ccd70a60fe259e
Andrew Kryczka
760b773f58