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| author | Nathan Sidwell <nathan@acm.org> | 2017-01-31 19:37:11 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2017-01-31 19:37:11 +0000 |
| commit | 5ae37bdfce3f433ff51af4d614d9271abb25671f (patch) | |
| tree | 3295b47e768a4552396538ce3c58c82122b156ca /gcc | |
| parent | 0751254a759314c114e51b47536d2c8feb0fbcea (diff) | |
| download | gcc-5ae37bdfce3f433ff51af4d614d9271abb25671f.zip gcc-5ae37bdfce3f433ff51af4d614d9271abb25671f.tar.gz gcc-5ae37bdfce3f433ff51af4d614d9271abb25671f.tar.bz2 | |
re PR c++/79290 (forming pointer to member function tries to access "__pfn")
PR c++/79290
* typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
PR c++/79290
* g++.dg/warn/pr79290.C: New.
From-SVN: r245069
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cp/typeck.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/pr79290.C | 25 |
4 files changed, 35 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 78a5725..2a86607 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,8 @@ 2017-01-31 Nathan Sidwell <nathan@acm.org> + PR c++/79290 + * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING. + PR c++/67273 PR c++/79253 * pt.c: (instantiate_decl): Push to top level when current diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 8f66d3c..ef4dae4 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -2950,7 +2950,10 @@ build_ptrmemfunc_access_expr (tree ptrmem, tree member_name) member = DECL_CHAIN (member)) if (DECL_NAME (member) == member_name) break; - return build_simple_component_ref (ptrmem, member); + tree res = build_simple_component_ref (ptrmem, member); + + TREE_NO_WARNING (res) = 1; + return res; } /* Given an expression PTR for a pointer, return an expression diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 922fe64..302843d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2017-01-31 Nathan Sidwell <nathan@acm.org> + PR c++/79290 + * g++.dg/warn/pr79290.C: New. + PR c++/67273 PR c++/79253 * g++.dg/cpp1y/pr67273.C: New. diff --git a/gcc/testsuite/g++.dg/warn/pr79290.C b/gcc/testsuite/g++.dg/warn/pr79290.C new file mode 100644 index 0000000..65929e5 --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/pr79290.C @@ -0,0 +1,25 @@ +// { dg-additional-options "-Wall" } +// PR 79290, bogus warning looking inside PMF + +struct Song { + int get() const ; +}; + +typedef int (Song::*PMF_t)() const; + +struct SongTag { + PMF_t function () const; +}; + + +template<typename T> +struct Printer { + bool Foo(const SongTag &st) { + return st.function () == &Song::get; + } +}; + +void Baz (Printer<int> *p, SongTag const &st) +{ + p->Foo (st); +} |