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| author | Martin Liska <mliska@suse.cz> | 2023-01-09 09:51:01 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2023-01-09 13:22:45 +0100 |
| commit | fb082e3293d45d928ae107d8f351b04be89d1bc2 (patch) | |
| tree | e9cb4e2ec7524789039510d08afb8ea49e3b8090 /gcc | |
| parent | 7afecddf1ecbb93ee44517ad6d3e9c1c0d68e722 (diff) | |
| download | gcc-fb082e3293d45d928ae107d8f351b04be89d1bc2.zip gcc-fb082e3293d45d928ae107d8f351b04be89d1bc2.tar.gz gcc-fb082e3293d45d928ae107d8f351b04be89d1bc2.tar.bz2 | |
hash: do not insert deleted value to a hash_set
PR lto/108330
gcc/ChangeLog:
* lto-cgraph.cc (compute_ltrans_boundary): Do not insert
NULL (deleleted value) to a hash_set.
gcc/testsuite/ChangeLog:
* g++.dg/ipa/pr108830.C: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/lto-cgraph.cc | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ipa/pr108830.C | 20 |
2 files changed, 22 insertions, 1 deletions
diff --git a/gcc/lto-cgraph.cc b/gcc/lto-cgraph.cc index eef5ea1..805c785 100644 --- a/gcc/lto-cgraph.cc +++ b/gcc/lto-cgraph.cc @@ -918,7 +918,8 @@ compute_ltrans_boundary (lto_symtab_encoder_t in_encoder) vec <cgraph_node *>targets = possible_polymorphic_call_targets (edge, &final, &cache_token); - if (!reachable_call_targets.add (cache_token)) + if (cache_token != NULL + && !reachable_call_targets.add (cache_token)) { for (i = 0; i < targets.length (); i++) { diff --git a/gcc/testsuite/g++.dg/ipa/pr108830.C b/gcc/testsuite/g++.dg/ipa/pr108830.C new file mode 100644 index 0000000..96656f6 --- /dev/null +++ b/gcc/testsuite/g++.dg/ipa/pr108830.C @@ -0,0 +1,20 @@ +// PR lto/108330 +// { dg-do compile } + +class A { + virtual unsigned long m_fn1() const; + virtual int &m_fn2(unsigned long) const; +}; +class C : A { +public: + int &m_fn2(unsigned long) const; + unsigned long m_fn1() const; +}; +class B { + void m_fn3(const A &, const int &, const C &, int &) const; +}; +void B::m_fn3(const A &, const int &, const C &, int &) const { + C &a(a); + for (long b = 0; a.m_fn1(); b++) + a.m_fn2(0); +} |