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--- a/lib/xalloc-oversized.h 2020-08-07 11:04:56.154698639 -0700
+++ b/lib/xalloc-oversized.h 2020-08-07 11:06:11.667997389 -0700
@@ -46,13 +46,13 @@
positive and N must be nonnegative. This is a macro, not a
function, so that it works correctly even when SIZE_MAX < N. */
-#if 7 <= __GNUC__ || __has_builtin (__builtin_add_overflow_p)
+#if ((7 <= __GNUC__ || __has_builtin (__builtin_add_overflow_p)) && !defined __INTEL_LLVM_COMPILER)
# define xalloc_oversized(n, s) \
__builtin_mul_overflow_p (n, s, (__xalloc_count_type) 1)
#elif ((5 <= __GNUC__ \
|| (__has_builtin (__builtin_mul_overflow) \
&& __has_builtin (__builtin_constant_p))) \
- && !__STRICT_ANSI__)
+ && !__STRICT_ANSI__ && !defined __INTEL_LLVM_COMPILER)
# define xalloc_oversized(n, s) \
(__builtin_constant_p (n) && __builtin_constant_p (s) \
? __xalloc_oversized (n, s) \
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