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-rw-r--r--include/tgmath.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/tgmath.h b/include/tgmath.h
index 94b3e01e6..036fef1a7 100644
--- a/include/tgmath.h
+++ b/include/tgmath.h
@@ -48,7 +48,7 @@
/* 1 if 'type' is a floating type, 0 if 'type' is an integer type.
Allows for _Bool. Expands to an integer constant expression. */
-# if __GNUC_PREREQ (3, 1)
+# if 0 /* __GNUC_PREREQ (3, 1) */
# define __floating_type(type) \
(__builtin_classify_type ((type) 0) == 8 \
|| (__builtin_classify_type ((type) 0) == 9 \