Trick libintl not to use '_INTL_REDIRECT_ASM' mode as it's
incompatible with LTO builds.

glibc does not normally use libintl implementations and uses
it's own primitives. But musl ond others do fall back to libintl.

Reported-by: Andrew Savchenko
Bug: https://bugs.gentoo.org/723370
Bug: https://gcc.gnu.org/PR95194
--- a/intl/libgnuintl.h
+++ b/intl/libgnuintl.h
@@ -93,7 +93,7 @@ extern "C" {
    If he doesn't, we choose the method.  A third possible method is
    _INTL_REDIRECT_ASM, supported only by GCC.  */
 #if !(defined _INTL_REDIRECT_INLINE || defined _INTL_REDIRECT_MACROS)
-# if __GNUC__ >= 2 && !defined __APPLE_CC__ && (defined __STDC__ || defined __cplusplus)
+# if __GNUC__ >= 2 && !defined __APPLE_CC__ && (defined __STDC__ || defined __cplusplus) && USE_ASM_ALIASES_THAT_BREAK_LTO
 #  define _INTL_REDIRECT_ASM
 # else
 #  ifdef __cplusplus