[clang] [C23] Fixed the value of BOOL_WIDTH (PR #117364)

[Aaron Ballman via cfe-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -verify -std=c23 -ffreestanding %s
+
+/* WG14 N2412: Clang 14
+ * Two's complement sign representation
+ */
+// expected-no-diagnostics
+
+#include <limits.h>
+
+// GH117348 -- BOOL_WIDTH was accidentally expanding to the number of bits in
+// the object representation (8) rather than the number of bits in the value
+// representation (1).
+static_assert(BOOL_WIDTH == 1);
+
+// Validate the other macro requirements.
+static_assert(CHAR_WIDTH == SCHAR_WIDTH);
+static_assert(CHAR_WIDTH == UCHAR_WIDTH);
+static_assert(CHAR_WIDTH == CHAR_BIT);
+
+static_assert(USHRT_WIDTH >= 16);
+static_assert(UINT_WIDTH >= 16);
+static_assert(ULONG_WIDTH >= 32);
+static_assert(ULLONG_WIDTH >= 64);
+static_assert(BITINT_MAXWIDTH >= ULLONG_WIDTH);
+
+static_assert(MB_LEN_MAX >= 1);
+
----------------
AaronBallman wrote:

Pretty sure that's the EOL for the last line in the file, which we want to keep.

https://github.com/llvm/llvm-project/pull/117364