Bug 456131 - Remove duplicate builtin symbol for __atomic_add_fetch

Change-Id: Icb753202c7678ec75f603edac003dbd199513b07
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
Reviewed-on: https://git.eclipse.org/r/38787
Tested-by: Hudson CI
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Bug 456207 - Skip ICPPASTFunctionDeclarator.getNoexceptExpression() in
ASTComparer

Change-Id: I298f52e9ad21643d8fe58283e0c30e95c12b92ad
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
Reviewed-on: https://git.eclipse.org/r/38788
Tested-by: Hudson CI
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>