clang/test/Parser/function-parameter-limit.cpp

   1 // RUN: %clang_cc1 -verify %s
   2
   3 #define P_10(x) x##0, x##1, x##2, x##3, x##4, x##5, x##6, x##7, x##8, x##9,
   4 #define P_100(x) P_10(x##0) P_10(x##1) P_10(x##2) P_10(x##3) P_10(x##4) \
   5                  P_10(x##5) P_10(x##6) P_10(x##7) P_10(x##8) P_10(x##9)
   6 #define P_1000(x) P_100(x##0) P_100(x##1) P_100(x##2) P_100(x##3) P_100(x##4) \
   7                   P_100(x##5) P_100(x##6) P_100(x##7) P_100(x##8) P_100(x##9)
   8 #define P_10000(x) P_1000(x##0) P_1000(x##1) P_1000(x##2) P_1000(x##3) P_1000(x##4) \
   9                    P_1000(x##5) P_1000(x##6) P_1000(x##7) P_1000(x##8) P_1000(x##9)
  10
  11 void func (
  12   P_10000(int p)
  13   P_10000(int q)
  14   P_10000(int r)
  15   P_10000(int s)
  16   P_10000(int t)
  17   P_10000(int u)
  18   P_10000(int v) // expected-error {{too many function parameters; subsequent parameters will be ignored}}
  19   int w);
  20
  21 extern double(*func2)(
  22   P_10000(int p)
  23   P_10000(int q)
  24   P_10000(int r)
  25   P_10000(int s)
  26   P_10000(int t)
  27   P_10000(int u)
  28   P_10000(int v) // expected-error {{too many function parameters; subsequent parameters will be ignored}}
  29   int w);