Fix another corner case with C/asm symtable

See testcase (from grischka).  If the asm has no .globl,
but there's a (non-static) C definition the symbol should
be exported, even if the first reference comes from asm.

1 files changed, 3 insertions, 2 deletions

diff --git a/tccasm.c b/tccasm.c
index ba76c17..15f1e43 100644
--- a/tccasm.c
+++ b/tccasm.c
@@ -422,9 +422,10 @@ ST_FUNC void asm_free_labels(TCCState *st)
     for(s = st->asm_labels; s != NULL; s = s1) {
 	ElfSym *esym = elfsym(s);
         s1 = s->prev;
-        /* Possibly update binding and visibility from asm directives.  */
+        /* Possibly update binding and visibility from asm directives
+	   if the symbol has no C decl (type is VT_VOID).*/
 	s->type.t &= ~VT_EXTERN;
-	if (esym) {
+	if (esym && s->type.t == VT_VOID) {
 	    if (!s->a.asmexport && esym->st_shndx != SHN_UNDEF)
 	        s->type.t |= VT_STATIC;
 	    if (s->a.visibility)