Thread View: gnu.g++.bug
1 messages
1 total messages
Started by "Douglas C. Schmidt"
Thu, 26 Jan 1989 05:28
g++ 1.32 is lax on protection
Author: "Douglas C. Schmidt"
Date: Thu, 26 Jan 1989 05:28
Date: Thu, 26 Jan 1989 05:28
27 lines
966 bytes
966 bytes
According to page 3 of the USENIX Lime book, the following program
is incorrect:
----------------------------------------
class X {
protected:
int prot;
};
class Y : public X {
void mf ();
};
void Y::mf()
{
prot = 2;
X a;
a.prot = 3; // error, prot is protected and a is not a Y!
X *p = this;
p->prot = 3; // error, prot is protected and p is not a pointer to Y!
}
----------------------------------------
However, g++ 1.32 does not complain about this.
Doug
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