Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #78342: Bus error in configure test for iconv //IGNORE

Author: cmb69

NEWS

@@ -2,6 +2,9 @@ PHP                                                                        NEWS
 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 ?? ??? ????, PHP 7.4.0beta2
 
+- Iconv:
+  . Fixed bug #78342 (Bus error in configure test for iconv //IGNORE). (Rainer
+    Jung)
 
 25 Jul 2019, PHP 7.4.0beta1
 

ext/iconv/config.m4

@@ -162,6 +162,9 @@ int main() {
 
 int main() {
   iconv_t cd = iconv_open( "UTF-8//IGNORE", "UTF-8" );
+  if(cd == (iconv_t)-1) {
+    return 1;
+  }
   char *in_p = "\xC3\xC3\xC3\xB8";
   size_t in_left = 4, out_left = 4096;
   char *out = malloc(out_left);