Check for an invalid SourceLocation in clang_getCursor().  This avoids a possible assertion failure in SourceManager in the call to Lexer::GetBeginningOfToken().  Fixes <rdar://problem/8244873>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109713 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed