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of a local variable, make sure we don't infinitely recurse when the
reference binds to itself.
e.g:
int* func() {
int& i = i; // assign non-exist variable to a reference which has same name.
return &i; // return pointer
}
rdar://11345441
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155856 91177308-0d34-0410-b5e6-96231b3b80d8
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handling in ExprEngine. Fixes <rdar://problem/10201666>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140956 91177308-0d34-0410-b5e6-96231b3b80d8
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Also convert stack-addr-ps.cpp to use the analyzer instead of just Sema, now
that it doesn't crash, and extract the stack-block test into another file since
it errors, and that prevents the analyzer from running.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138613 91177308-0d34-0410-b5e6-96231b3b80d8
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label addresses or references to temporaries, e.g:
const int& g2() {
int s1;
int &s2 = s1; // expected-note {{binding reference variable 's2' here}}
return s2; // expected-warning {{reference to stack memory associated with local variable 's1' returned}}
}
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120483 91177308-0d34-0410-b5e6-96231b3b80d8
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hit when self-host.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120351 91177308-0d34-0410-b5e6-96231b3b80d8
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The issue was brought to our attention by Matthieu Monrocq.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120331 91177308-0d34-0410-b5e6-96231b3b80d8
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convert values to an lvalue. This allows us to warn (again) about returning references to stack variables. (fixes PR 7812).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110242 91177308-0d34-0410-b5e6-96231b3b80d8
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