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(alloca): Define to __builtin_alloca if __GNUC__,
to avoid a warning if -Wall.
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@ -19,7 +19,9 @@
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# include <config.h>
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#endif
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#ifndef __GNUC__
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#if __GNUC__
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# define alloca __builtin_alloca
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#else
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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