From: Russ Cox <rsc@golang.org>
Date: Mon, 10 Jun 2013 20:13:25 +0000 (-0400)
Subject: cmd/cc: fix lexbody for negative chars
X-Git-Tag: go1.2rc2~1283
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=5b15b4443491d2405c494857819341186bb760ba;p=gostls13.git

cmd/cc: fix lexbody for negative chars

The new code matches the code in cc/lex.c and the #define GETC.
This was causing problems scanning runtime·foo if the leading
· byte was returned by the buffer fill.

R=ken2
CC=golang-dev
https://golang.org/cl/10167043
---

diff --git a/src/cmd/cc/lexbody b/src/cmd/cc/lexbody
index c5d51b8fb6..ccc0c405d0 100644
--- a/src/cmd/cc/lexbody
+++ b/src/cmd/cc/lexbody
@@ -665,7 +665,7 @@ loop:
 		goto pop;
 	}
 	fi.p = i->b + 1;
-	return i->b[0];
+	return i->b[0] & 0xff;
 
 pop:
 	iostack = i->link;
@@ -678,7 +678,7 @@ pop:
 	fi.c = i->c;
 	if(--fi.c < 0)
 		goto loop;
-	return *fi.p++;
+	return *fi.p++ & 0xff;
 }
 
 void