[gc_api] Throw exceptions to uniformly handle cases where a memory allocation has failed
[gc_api] Throw exceptions to uniformly handle cases where a memory allocation has failed

git-svn-id: 1eb33f31d1a165515dfa52993683d2778fcf3173@38545 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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