Blame bash-5.2-patch-1.patch
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diff --git a/patchlevel.h b/patchlevel.h
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 0
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+#define PATCHLEVEL 1
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#endif /* _PATCHLEVEL_H_ */
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diff --git a/subst.c b/subst.c
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index d9feabca..93b91606 100644
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--- a/subst.c
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+++ b/subst.c
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@@ -10857,7 +10857,7 @@ expand_array_subscript (string, sindex, quoted, flags)
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exp = substring (string, si+1, ni);
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t = expand_subscript_string (exp, quoted & ~(Q_ARITH|Q_DOUBLE_QUOTES));
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free (exp);
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- exp = sh_backslash_quote (t, abstab, 0);
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+ exp = t ? sh_backslash_quote (t, abstab, 0) : savestring ("");
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free (t);
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slen = STRLEN (exp);
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