Avoid crash with "Avoid a crash with weak symbols for "make test""

This fixes commit 197a6acb30940068d1dc3d0fa53c9f0863309885
which fixed commit 95b9a477b6743004e0e9bf728b25bf63d2908777

Also remove useless example files

3 files changed, 1 insertions, 18 deletions

diff --git a/examples/ex_weak.c b/examples/ex_weak.c
deleted file mode 100755
index 2a2bd19..0000000
--- a/examples/ex_weak.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#! /usr/local/bin/tcc -run
-#include <tcclib.h>
-
-extern void weak_f (void) __attribute__ ((weak));
-
-int main ()
-{
-    if (weak_f) {
-        weak_f();
-    }
-}
diff --git a/examples/weak_f.c b/examples/weak_f.c
deleted file mode 100644
index e744531..0000000
--- a/examples/weak_f.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <tcclib.h>
-
-void weak_f (void)
-{
-    printf("Weak\n");
-}
diff --git a/libtcc.c b/libtcc.c
index 5f064dd..2575a05 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -429,7 +429,7 @@ ST_FUNC void put_extern_sym2(Sym *sym, Section *section,
     if (sym->type.t & VT_STATIC)
         sym_bind = STB_LOCAL;
     else {
-        if (sym->type.ref && FUNC_WEAK(sym->type.ref->r))
+        if (sym_type == STT_FUNC && sym->type.ref && FUNC_WEAK(sym->type.ref->r))
             sym_bind = STB_WEAK;
         else
             sym_bind = STB_GLOBAL;