clang/test/CodeGen/2011-03-08-ZeroFieldUnionInitializer.c


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// RUN: %clang_cc1 -emit-llvm %s -o /dev/null
typedef struct {
  union {
    struct { } __attribute((packed));
  };
} fenv_t;
const fenv_t _FE_DFL_ENV = {{{ 0, 0, 0, 0 }}};