Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Fix #78849: GD build broken with -D SIGNED_COMPARE_SLOW

Author: cmb69

NEWS

@@ -6,6 +6,9 @@ PHP                                                                        NEWS
   . Fixed bug #78787 (Segfault with trait overriding inherited private shadow
     property). (Nikita)
 
+- GD:
+  . Fixed bug #78849 (GD build broken with -D SIGNED_COMPARE_SLOW). (cmb)
+
 - OPcache:
   . Fixed potential ASLR related invalid opline handler issues. (cmb)
   . Fixed $x = (bool)$x; with opcache (should emit undeclared variable notice).

ext/gd/libgd/gd_gif_out.c

@@ -534,7 +534,7 @@ compress(int init_bits, gdIOCtxPtr outfile, gdImagePtr im, GifCtx *ctx)
     output( (code_int)ctx->ClearCode, ctx );
 
 #ifdef SIGNED_COMPARE_SLOW
-    while ( (c = GIFNextPixel( im )) != (unsigned) EOF ) {
+    while ( (c = GIFNextPixel( im, ctx )) != (unsigned) EOF ) {
 #else /*SIGNED_COMPARE_SLOW*/
     while ( (c = GIFNextPixel( im, ctx )) != EOF ) {  /* } */
 #endif /*SIGNED_COMPARE_SLOW*/