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PATCH: ^C in zcalc causes cmdpop error

X-seq: zsh-workers 35155
From: Peter Stephenson <p.w.stephenson@xxxxxxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: PATCH: ^C in zcalc causes cmdpop error
Date: Fri, 15 May 2015 20:21:56 +0100
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diff --git a/Src/lex.c b/Src/lex.c
index 5b6d3a6..841fb0b 100644
--- a/Src/lex.c
+++ b/Src/lex.c
@@ -1346,8 +1346,10 @@ gettokstr(int c, int sub)
     }
   brk:
     if (errflag) {
-	while(bct-- >= in_brace_param)
-	    cmdpop();
+	if (in_brace_param) {
+	    while(bct-- >= in_brace_param)
+		cmdpop();
+	}
 	return LEXERR;
     }
     hungetc(c);

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