Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

1 files changed, 31 insertions, 0 deletions

diff --git a/test/PCH/missing-file.cpp b/test/PCH/missing-file.cpp
new file mode 100644
index 0000000..7d5cd11
--- /dev/null
+++ b/test/PCH/missing-file.cpp
@@ -0,0 +1,31 @@
+// Test reading of PCH without original input files.
+
+// Generate the PCH, removing the original file:
+// RUN: echo 'struct S{char c; int i; }; void foo() {}' > %t.h
+// RUN: echo 'template <typename T> void tf() { T::foo(); }' >> %t.h
+// RUN: %clang_cc1 -x c++ -emit-pch -o %t.h.pch %t.h
+// RUN: rm %t.h
+
+// Check diagnostic with location in original source:
+// RUN: %clang_cc1 -include-pch %t.h.pch -Wpadded -emit-obj -o %t.o %s 2> %t.stderr
+// RUN: grep 'bytes to align' %t.stderr
+
+// Check diagnostic with 2nd location in original source:
+// RUN: not %clang_cc1 -DREDECL -include-pch %t.h.pch -emit-obj -o %t.o %s 2> %t.stderr
+// RUN: grep 'previous definition is here' %t.stderr
+
+// Check diagnostic with instantiation location in original source:
+// RUN: not %clang_cc1 -DINSTANTIATION -include-pch %t.h.pch -emit-obj -o %t.o %s 2> %t.stderr
+// RUN: grep 'cannot be used prior to' %t.stderr
+
+void qq(S*) {}
+
+#ifdef REDECL
+float foo() {return 0f;}
+#endif
+
+#ifdef INSTANTIATION
+void f() {
+  tf<int>();
+}
+#endif