From: Akim Demaille <akim@epita.fr>
Date: Fri, 30 Nov 2001 11:11:34 +0000 (+0000)
Subject: * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
X-Git-Tag: before-m4-back-end~226
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/892a39950de31e48ad0f1f39f661f9ebb17204d3

* src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
if body instead of `;' to pacify GCC's warnings.
---

diff --git a/ChangeLog b/ChangeLog
index ef134526..7410326f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-30  Akim Demaille  <akim@epita.fr>
+
+	* src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
+	if body instead of `;' to pacify GCC's warnings.
+
 2001-11-30  Akim Demaille  <akim@epita.fr>
 
 	Instead of mapping the LHS of unused rules to -1, keep the LHS
diff --git a/src/bison.simple b/src/bison.simple
index de2d00e4..5f2921ab 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -104,7 +104,8 @@
 
 #if YYSTACK_USE_ALLOCA
 # define YYSTACK_ALLOC alloca
-# define YYSTACK_FREE(Ptr) /* empty */
+/* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
 #else
 # define YYSTACK_ALLOC malloc
 # define YYSTACK_FREE(Ptr) free (Ptr)