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Commit 5eabdc16 authored by Simon Marlow's avatar Simon Marlow
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Fix crash with tiny initial stack size (#5993)

parent 392c2886
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......@@ -66,8 +66,8 @@ createThread(Capability *cap, nat size)
/* sched_mutex is *not* required */
/* catch ridiculously small stack sizes */
if (size < MIN_STACK_WORDS + sizeofW(StgStack)) {
size = MIN_STACK_WORDS + sizeofW(StgStack);
if (size < MIN_STACK_WORDS + sizeofW(StgStack) + sizeofW(StgTSO)) {
size = MIN_STACK_WORDS + sizeofW(StgStack) + sizeofW(StgTSO);
}
/* The size argument we are given includes all the per-thread
......
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