is this legal C?

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suppose BAR is defined and QWE is not.
does the following do what I expect it to:

 struct { char* name; } foo [] = {
  { "ABC"
  #if defined(BAR)
   "ZZZ"
  #endif
  },{
  #if defined(QWE)
   "ZOO"
   #endif
  "XYZ"
 }}

i.e., create an array of length 2 with elements named "ABCZZZ" and
"XYZ"? (it does, with GCC)
is this portable?
is this legal ANSI C?

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