[cfe-commits] Fix crash in CheckerContext::isCLibraryFunction for C++ declarations with special names

[Dmitri Gribenko]

Hello,

Seems like nobody ran experimental.unix.cstring.BadSizeArg on any C++
source, because it crashed for me on iostream.  Attached is the patch
that fixes that and introduces a testcase.

Dmitri Gribenko

-- 
main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
(j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
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