I reproduced this with bleadperl. This patch fixes the problem and all core tests pass, but it doesn't quite pass my eyeball test. It's worth filing a bug with p5p.

diff --git a/ext/File-Glob/Glob.xs b/ext/File-Glob/Glob.xs
index 3ea0590..f8bc20f 100644
--- a/ext/File-Glob/Glob.xs
+++ b/ext/File-Glob/Glob.xs
@@ -237,8 +237,8 @@ csh_glob(pTHX_ AV *entries, SV *patsv)
         SV **svp = AvARRAY(patav);
         while (items--) {
         PUSHMARK(SP);
-        PUTBACK;
         doglob(aTHX_ SvPVXx(*svp++), flags);
+        PUTBACK;
         SPAGAIN;
         {
             dMARK;

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In reply to Re: "double free or corruption" in Perl 5.16.0 but not in 5.14.2 by chromatic
in thread "double free or corruption" in Perl 5.16.0 but not in 5.14.2 by mje

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