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[Bug tree-optimization/24231] [4.1 Regression] ICE: SSA corruption
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Oct 2005 16:11:31 -0000
- Subject: [Bug tree-optimization/24231] [4.1 Regression] ICE: SSA corruption
- References: <bug-24231-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2005-10-06 16:11 -------
Reduced testcase at -O1 -ftree-vrp -ftree-pre:
struct MemoryManager {
virtual void deallocate() = 0;
};
struct XalanVector {
~XalanVector() {
m_memoryManager->deallocate();
}
void swap(XalanVector& theOther) {
MemoryManager* const theTempManager = m_memoryManager;
m_memoryManager = theOther.m_memoryManager;
theOther.m_memoryManager = theTempManager;
theOther.m_size = 0;
}
void push_back() {
XalanVector theTemp(*this);
theTemp.push_back();
swap(theTemp);
}
MemoryManager* m_memoryManager;
int m_size;
};
void f(void) {
XalanVector tempVector;
tempVector.push_back();
}
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2005-10-06 16:11:31
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24231