ref: c8934909e072db256debe9f3a28f4451b1844603
parent: f0ed0d0ba351c152e97ed91a4f77a91f50735dd9
author: Tor Andersson <tor.andersson@artifex.com>
date: Mon Jun 19 07:50:13 EDT 2017
Silence a few compiler warnings for harmless, impossible cases. The 'save' variable is *always* set before it's accessed, but the logic is too difficult for gcc to trace. node->m is always > 0, but the compiler has no way of knowing.
--- a/regexp.c
+++ b/regexp.c
@@ -251,7 +251,7 @@
{int type = L_CCLASS;
int quoted, havesave, havedash;
- Rune save;
+ Rune save = 0;
newcclass(g);
@@ -654,6 +654,7 @@
break;
case P_REP:
+ inst = NULL; /* silence compiler warning. assert(node->m > 0). */
for (i = 0; i < node->m; ++i) {inst = prog->end;
compile(prog, node->x);