Fix bug with panic("out of memory")

The panic function might allocate memory via ir_vfprintf, so we must
not use it in the out of memory case.  Otherwise we get an infinite loop.

diff --git a/ir/adt/xmalloc.c b/ir/adt/xmalloc.c
index 12f2237..4f2ba33 100644 (file)
--- a/ir/adt/xmalloc.c
+++ b/ir/adt/xmalloc.c
@@ -35,7 +35,8 @@
 
 static NORETURN xnomem(void)
 {
-       panic("out of memory");
+       /* Do not use panic() here, because it might try to allocate memory! */
+       fputs("out of memory", stderr);
 }
 
 void *xmalloc(size_t size)