re PR middle-end/63884 (ICE: SIGSEGV in is_sec_implicit_index_fn with -fcilkplus and __builtin_sadd_overflow())
PR middle-end/63884
c-family/
* array-notation-common.c (is_sec_implicit_index_fn): Return false
for NULL fndecl.
(extract_array_notation_exprs): Return for NULL node.
testsuite/
* c-c++-common/cilk-plus/AN/pr63884.c: New test.
From-SVN: r217612
