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Fix bug in vector8 operator= 

operator= would try to overwrite it self under some circumstances.
This was found with valgrind and using -O0. It works with -O2.
(cherry picked from commit 9ea6604439)
This commit is contained in:
Cary R 2009-10-02 19:22:53 -07:00 committed by Stephen Williams
parent eb9d79ec61
commit d2a900d187
1 changed files with 2 additions and 1 deletions
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3
vvp/vvp_net.cc
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@ -2308,7 +2308,8 @@ vvp_vector8_t::vvp_vector8_t(const vvp_vector4_t&that,
vvp_vector8_t& vvp_vector8_t::operator= (const vvp_vector8_t&that)
{
// Assign to self.
if (size_ > PTR_THRESH && that.size_ > PTR_THRESH && ptr_ == that.ptr_)
if (this == &that || (size_ > PTR_THRESH && that.size_ > PTR_THRESH &&
ptr_ == that.ptr_))
return *this;
if (size_ != that.size_) {