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-rw-r--r--gcc/regclass.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c
index dfbc85c..d495fdc 100644
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -965,7 +965,7 @@ regclass (f, nregs)
#ifdef FORBIDDEN_INC_DEC_CLASSES
- in_inc_dec = (char *) alloca (nregs);
+ in_inc_dec = (char *) xmalloc (nregs);
/* Initialize information about which register classes can be used for
pseudos that are auto-incremented or auto-decremented. It would
@@ -1109,6 +1109,9 @@ regclass (f, nregs)
}
}
+#ifdef FORBIDDEN_INC_DEC_CLASSES
+ free (in_inc_dec);
+#endif
free (costs);
}