llvm-project/clang/test/Lexer/rdr-6096838.c

/* RUN: clang -fsyntax-only -verify %s &&
 * RUN: clang -std=gnu89 -fsyntax-only -verify %s
 rdar://6096838
 */

long double d = 0x0.0000003ffffffff00000p-16357L;