Committed.
Whoops. When un-disabling visibility support for mmix, I missed that
some of the newly enabled tests were FAILs, for not emitting .hidden
for references to external declarations. This takes care of
gcc.dg/visibility-14.c .. -19.c, and gcc.dg/visibility-23.c.
gcc:
* config/mmix/mmix.h (ASM_OUTPUT_EXTERNAL): Define to
default_elf_asm_output_external.
--- gcc/gcc/config/mmix/mmix.h.orig Mon Jan 13 22:30:46 2020
+++ gcc/gcc/config/mmix/mmix.h Mon Jul 27 01:13:08 2020
@@ -617,6 +617,11 @@ typedef struct { int regs; int lib; } CU
#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
mmix_asm_output_ascii (STREAM, PTR, LEN)
+/* Make output more ELF-like, by emitting .hidden for hidden symbols
+ (which don't really matter for mmix-knuth-mmixware). */
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ default_elf_asm_output_external (FILE, DECL, NAME)
+
/* Node: Uninitialized Data */
#define ASM_OUTPUT_ALIGNED_COMMON(ST, N, S, A) \
