diff options
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/ChangeLog | 6 | ||||
| -rw-r--r-- | libcpp/lex.c | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 0d25c4d..859c1a4 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,3 +1,9 @@ +2012-05-25 Dodji Seketeli <dodji@redhat.com> + + PR bootstrap/53459 + * lex.c (search_line_fast): Avoid unused local typedefs to simulate + a static assertion. + 2012-05-29 Dodji Seketeli <dodji@redhat.com> PR preprocessor/53229 diff --git a/libcpp/lex.c b/libcpp/lex.c index c4dd603..98ee4e9 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -590,10 +590,10 @@ search_line_fast (const uchar *s, const uchar *end ATTRIBUTE_UNUSED) { #define N (sizeof(vc) / sizeof(long)) - typedef char check_count[(N == 2 || N == 4) * 2 - 1]; union { vc v; - unsigned long l[N]; + /* Statically assert that N is 2 or 4. */ + unsigned long l[(N == 2 || N == 4) ? N : -1]; } u; unsigned long l, i = 0; |