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)
diff --git a/tests/Makefile b/tests/Makefile
index 61b585e..f06f39c 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -235,9 +235,16 @@ vla_test-run: vla_test$(EXESUF)
 asm-c-connect$(EXESUF): asm-c-connect-1.c asm-c-connect-2.c
 	$(TCC) -o $@ $^
 
-asm-c-connect-test: asm-c-connect$(EXESUF)
+asm-c-connect-%.o: asm-c-connect-%.c
+	$(TCC) -c -o $@ $<
+
+asm-c-connect-sep$(EXESUF): asm-c-connect-1.o asm-c-connect-2.o
+	$(TCC) -o $@ $^
+
+asm-c-connect-test: asm-c-connect$(EXESUF) asm-c-connect-sep$(EXESUF)
 	@echo ------------ $@ ------------
 	./asm-c-connect$(EXESUF)
+	./asm-c-connect-sep$(EXESUF)
 
 cross-test :
 	@echo ------------ $@ ------------
diff --git a/tests/asm-c-connect-1.c b/tests/asm-c-connect-1.c
index c3dcf2b..1849b56 100644
--- a/tests/asm-c-connect-1.c
+++ b/tests/asm-c-connect-1.c
@@ -15,12 +15,15 @@ static int x1_c(void)
 asm(".text;"_"x1: call "_"x1_c; ret");
 
 void callx4(void);
+void callx5_again(void);
 int main(int argc, char *argv[])
 {
     asm("call "_"x1");
     asm("call "_"x2");
     asm("call "_"x3");
     callx4();
+    asm("call "_"x5");
+    callx5_again();
     return 0;
 }
 
@@ -37,3 +40,9 @@ void x4(void)
 {
     printf("x4\n");
 }
+
+void x5(void);
+void x5(void)
+{
+    printf("x5\n");
+}
diff --git a/tests/asm-c-connect-2.c b/tests/asm-c-connect-2.c
index 7ab9dc3..5dad26c 100644
--- a/tests/asm-c-connect-2.c
+++ b/tests/asm-c-connect-2.c
@@ -6,5 +6,14 @@ int x3(void)
     return 3;
 }
 
+/* That callx4 is defined globally (as if ".globl callx4")
+   is a TCC extension.  GCC doesn't behave like this.  */
 void callx4(void);
 __asm__("callx4: call x4; ret");
+
+extern void x5(void);
+void callx5_again(void);
+void callx5_again(void)
+{
+    x5();
+}