clang/test/Sema/typedef-retain.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -flax-vector-conversions=none
   2
   3 typedef float float4 __attribute__((vector_size(16)));
   4 typedef int int4 __attribute__((vector_size(16)));
   5 typedef int4* int4p;
   6
   7 void test1(float4 a, int4 *result, int i) {
   8     result[i] = a; // expected-error {{assigning to 'int4' (vector of 4 'int' values) from incompatible type 'float4' (vector of 4 'float' values)}}
   9 }
  10
  11 void test2(float4 a, int4p result, int i) {
  12     result[i] = a; // expected-error {{assigning to 'int4' (vector of 4 'int' values) from incompatible type 'float4' (vector of 4 'float' values)}}
  13 }
  14
  15 // PR2039
  16 typedef int a[5];
  17 void test3(void) {
  18   typedef const a b;
  19   b r;       // expected-note {{variable 'r' declared const here}}
  20   r[0] = 10; // expected-error {{cannot assign to variable 'r' with const-qualified type 'b' (aka 'const int[5]')}}
  21 }
  22
  23 int test4(const a y) {
  24   y[0] = 10; // expected-error {{read-only variable is not assignable}}
  25 }
  26