[libclang] Don't pad the main buffer for the preamble.

Padding does not seem to be useful currently, and it leads to bogus location if an error
points to the end of the file.

rdar://15836513

llvm-svn: 203370

2 files changed, 26 insertions, 0 deletions

diff --git a/clang/test/Index/preamble-reparse-warn-end-of-file.c b/clang/test/Index/preamble-reparse-warn-end-of-file.c
new file mode 100644
index 00000000000..9da512177cc
--- /dev/null
+++ b/clang/test/Index/preamble-reparse-warn-end-of-file.c
@@ -0,0 +1,12 @@
+// RUN: mkdir -p %t
+// RUN: touch %t/header.h
+// RUN: env CINDEXTEST_EDITING=1 c-index-test -test-load-source-reparse 2 local %s -I %t 2> %t.err.txt > %t.out.txt
+// RUN: cat %t.err.txt >> %t.out.txt
+// RUN: FileCheck -input-file=%t.out.txt %s
+// CHECK: preamble-reparse-warn-end-of-file.c:[[FnLine:.*]]:6: FunctionDecl=test:[[FnLine]]:6
+// CHECK: preamble-reparse-warn-end-of-file.c:[[FnLine]]:14: error: expected '}'
+// CHECK: preamble-reparse-warn-end-of-file.c:[[FnLine]]:14: error: expected '}'
+
+#include "header.h"
+
+void test() {
diff --git a/clang/test/Index/preamble-reparse-warn-macro.c b/clang/test/Index/preamble-reparse-warn-macro.c
new file mode 100644
index 00000000000..754f7b3b6a2
--- /dev/null
+++ b/clang/test/Index/preamble-reparse-warn-macro.c
@@ -0,0 +1,14 @@
+// RUN: mkdir -p %t
+// RUN: touch %t/header.h
+// RUN: env CINDEXTEST_EDITING=1 c-index-test -test-load-source-reparse 2 local %s -I %t 2> %t.err.txt > %t.out.txt
+// RUN: cat %t.err.txt >> %t.out.txt
+// RUN: FileCheck -input-file=%t.out.txt %s
+// CHECK: preamble-reparse-warn-macro.c:14:9: warning: 'MAC' macro redefined
+// CHECK-NEXT: Number FIX-ITs = 0
+// CHECK-NEXT: preamble-reparse-warn-macro.c:10:9: note: previous definition is here
+
+#define MAC 1
+#include "header.h"
+
+void test();
+#define MAC 2