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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [opt/] [cfg4.C] - Rev 853
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// PR optimization/13067
// Origin: <bryner@brianryner.com>
// This used to fail on the tree-ssa because of "out-of-ssa"
// We might have a valid variable, but not a valid value when trying to find
// useless statements created by out-of-ssa translation. In this case
// val will be set to null, then later dereferenced. Bad.
// { dg-do compile }
// { dg-options "-Os" }
struct Iterator
{
Iterator operator++();
};
void GetChar(char* aChar);
void foo(char aChar)
{
char quote;
Iterator end;
while (1) {
if (aChar == '"')
GetChar(&aChar);
switch (aChar) {
case 'a':
++end;
if (quote) {
if (quote == aChar) {
quote = 0;
}
} else {
quote = aChar;
}
}
}
}
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