clang/test/PCH/check-deserializations.cpp

   1 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-pch -o %t.1 %s
   2 // RUN: %clang_cc1 -triple x86_64-linux-gnu -error-on-deserialized-decl S1_keyfunc -error-on-deserialized-decl S3 -error-on-deserialized-decl DND -std=c++11 -include-pch %t.1 -emit-pch -o %t.2 %s
   3 // RUN: %clang_cc1 -triple x86_64-linux-gnu -error-on-deserialized-decl S1_method -error-on-deserialized-decl S3 -error-on-deserialized-decl DND -std=c++11 -include-pch %t.2 -emit-llvm-only %s
   4
   5 // FIXME: Why does this require an x86 target?
   6 // REQUIRES: x86-registered-target
   7
   8 #ifndef HEADER1
   9 #define HEADER1
  10 // Header.
  11
  12 struct S1 {
  13   void S1_method();
  14   virtual void S1_keyfunc();
  15 };
  16
  17 struct S3 {};
  18
  19 struct S2 {
  20   operator S3();
  21 };
  22
  23 namespace vars {
  24   constexpr int f() { return 0; }
  25   struct X { constexpr X() {} };
  26   namespace v1 { const int DND = 0; }
  27   namespace v2 { constexpr int DND = f(); }
  28   namespace v3 { static X DND; }
  29   namespace v4 { constexpr X DND = {}; }
  30 }
  31
  32 #elif !defined(HEADER2)
  33 #define HEADER2
  34
  35 // Chained PCH.
  36 S1 *s1;
  37 S2 *s2;
  38
  39 #else
  40
  41 // Using the headers.
  42
  43 void test(S1*, S2*) {
  44 }
  45
  46 #endif