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-rw-r--r--gcc/cpplib.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c
index 3ed75db..aa198dd 100644
--- a/gcc/cpplib.c
+++ b/gcc/cpplib.c
@@ -836,7 +836,10 @@ cpp_expand_to_buffer (pfile, buf, length)
#endif
if (length < 0)
- abort ();
+ {
+ cpp_fatal (pfile, "internal error: length < 0 in cpp_expand_to_buffer");
+ return;
+ }
/* Set up the input on the input stack. */