1 // Test reading of PCH without original input files.
2
3 // Generate the PCH, removing the original file:
4 // RUN: echo 'struct S{char c; int i; }; void foo() {}' > %t.h
5 // RUN: echo 'template <typename T> void tf() { T::foo(); }' >> %t.h
6 // RUN: %clang_cc1 -x c++ -emit-pch -o %t.h.pch %t.h
7 // RUN: rm %t.h
8
9 // Check diagnostic with location in original source:
10 // RUN: %clang_cc1 -include-pch %t.h.pch -Wpadded -emit-obj -o %t.o %s 2> %t.stderr
11 // RUN: grep 'bytes to align' %t.stderr
12
13 // Check diagnostic with 2nd location in original source:
14 // RUN: not %clang_cc1 -DREDECL -include-pch %t.h.pch -emit-obj -o %t.o %s 2> %t.stderr
15 // RUN: grep 'previous definition is here' %t.stderr
16
17 // Check diagnostic with instantiation location in original source:
18 // RUN: not %clang_cc1 -DINSTANTIATION -include-pch %t.h.pch -emit-obj -o %t.o %s 2> %t.stderr
19 // RUN: grep 'cannot be used prior to' %t.stderr
20
qq(S *)21 void qq(S*) {}
22
23 #ifdef REDECL
foo()24 float foo() {return 0f;}
25 #endif
26
27 #ifdef INSTANTIATION
f()28 void f() {
29 tf<int>();
30 }
31 #endif
32