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Fix #460 (leak) m3_FreeModule now free memoryExportName and table0ExportName #461
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matovitch
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Fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33554. The OSS-Fuzz inputs led to a crash on a Const64 instruction that overflows the stack. The overflow was not detected during compilation as TouchSlot did not track maxStackSlots if o->function is NULL. This commit changes TouchSlot to track slots outside of functions.
While pushing the params back onto the stack in CompileBlock, GetSlotForStackIndex may return c_slotUnused. If that is the case, passing the slot to MarkSlotsAllocatedByType leads to a crash. Fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33555 Fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36551
In the case of an exception in CompileElseBlock, the original page was not properly restored and was leaked. This commit moves the release/restore in the _catch: block which always executes.
When the stack is polymorphic, the stack should never underflow. This commits fixes an unreported stack underflow while led to an integer underflow in stackIndex. Now, if the stack is polymorphic, we only decrement stackIndex up until blockStackIndex.
Issue wasm3#321: This replaces `intValue` in the global value union with separate `i32Value` and `i64Value`. A CI test is added against s390x.
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I had an old fork such that the history might not be so clean and it includes some small unrelated changes. Let me know if this is important to you st. I can create a new PR. :)