xref: /llvm-project/clang/test/Parser/function-parameter-limit.cpp (revision 281d17840c35a1d80303bb6170c253fe2411f95f)
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);
30