clang -E produces output that clang doesn't like

[llvmbot]

Bugzilla Link	9861
Resolution	FIXED
Resolved on	May 22, 2011 17:10
Version	unspecified
OS	Linux
Reporter	LLVM Bugzilla Contributor

Extended Description

$ cat foobar.c
#include "foobar.h"
$ cat foobar.h
#pragma GCC system_header
$ clang -c foobar.c
$ gcc -c foobar.c
$ gcc -c foobar.c -save-temps
$ cat foobar.i

1 "foobar.c"

1 ""

1 ""

1 "foobar.c"

1 "foobar.h" 1

1 "foobar.h" 3

1 "foobar.c" 2

$ clang -c foobar.c -save-temps
In file included from foobar.c:1:
In file included from foobar.c:1:
./foobar.h:1:3: error: line marker directive requires a positive integer argument

0 "./foobar.h"

^
./foobar.h:2:3: error: line marker directive requires a positive integer argument

0 "./foobar.h" 3

^
2 errors generated.
$ cat foobar.i

1 "foobar.c"

1 "foobar.c" 1

1 "" 1

1 "" 3

132 "" 3

1 "" 1

1 "" 2

1 "foobar.c" 2

1 "./foobar.h" 1

0 "./foobar.h"

0 "./foobar.h" 3

2 "foobar.c" 2

[lattner]

Fixed in r131871, thanks.