More C compatibility.
Add C11 static_assert to <assert.h>. Remove uses of __dead while we're there:
__noreturn already does the same thing on those functions.
Fix <uchar.h> so it works from C.
<stdalign.h> and <stdnoreturn.h> are provided by clang, so there's nothing
for us to do.
Bug: http://b/29178582
Change-Id: Iebc46223868729a26d1a61eb125b76cbcb83a22d
diff --git a/libc/include/assert.h b/libc/include/assert.h
index 361a5ff..0a9992d 100644
--- a/libc/include/assert.h
+++ b/libc/include/assert.h
@@ -59,7 +59,11 @@
# endif
#endif
+#if !defined(__cplusplus) && __STDC_VERSION__ >= 201112L
+#define static_assert _Static_assert
+#endif
+
__BEGIN_DECLS
-__dead void __assert(const char *, int, const char *) __noreturn;
-__dead void __assert2(const char *, int, const char *, const char *) __noreturn;
+void __assert(const char*, int, const char*) __noreturn;
+void __assert2(const char*, int, const char*, const char*) __noreturn;
__END_DECLS
diff --git a/libc/include/uchar.h b/libc/include/uchar.h
index 9a0e2f8..6b995ab 100644
--- a/libc/include/uchar.h
+++ b/libc/include/uchar.h
@@ -34,7 +34,7 @@
__BEGIN_DECLS
-#if __STDC_VERSION__ >= 201112L && !defined(__cplusplus)
+#if !defined(__cplusplus)
typedef __CHAR16_TYPE__ char16_t;
typedef __CHAR32_TYPE__ char32_t;
#endif
