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-rw-r--r--gcc/cppfiles.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c
index f54fe8a..1009fa7 100644
--- a/gcc/cppfiles.c
+++ b/gcc/cppfiles.c
@@ -206,6 +206,9 @@ stack_include_file (pfile, inc)
{
cpp_buffer *fp;
+ if (pfile->context->prev)
+ cpp_ice (pfile, "attempt to push file buffer with contexts stacked");
+
if (DO_NOT_REREAD (inc))
return 0;