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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2018-03-03 17:48:23 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2018-03-03 17:48:23 +0000 |
| commit | c94a3f9f6580097dfc9279132a312780e5fa5405 (patch) | |
| tree | b1618f991ce2c75dc596dcf5b77a0f893d66894c /gcc/cp/optimize.c | |
| parent | 6855fa2131d6e9fbe147cad5121d9b2ac9800921 (diff) | |
| download | gcc-c94a3f9f6580097dfc9279132a312780e5fa5405.zip gcc-c94a3f9f6580097dfc9279132a312780e5fa5405.tar.gz gcc-c94a3f9f6580097dfc9279132a312780e5fa5405.tar.bz2 | |
re PR c++/71464 (ICE on invalid code (with redeclared constructor) at -Os: Segmentation fault)
/cp
2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/71464
* optimize.c (maybe_thunk_body): Bail out immediately if either
fns[0] or fns[1] is null.
/testsuite
2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/71464
* g++.dg/torture/pr71464.C: New.
From-SVN: r258216
Diffstat (limited to 'gcc/cp/optimize.c')
| -rw-r--r-- | gcc/cp/optimize.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/cp/optimize.c b/gcc/cp/optimize.c index a1cb610..fdb1650 100644 --- a/gcc/cp/optimize.c +++ b/gcc/cp/optimize.c @@ -261,8 +261,12 @@ maybe_thunk_body (tree fn, bool force) populate_clone_array (fn, fns); + /* Can happen during error recovery (c++/71464). */ + if (!fns[0] || !fns[1]) + return 0; + /* Don't use thunks if the base clone omits inherited parameters. */ - if (fns[0] && ctor_omit_inherited_parms (fns[0])) + if (ctor_omit_inherited_parms (fns[0])) return 0; DECL_ABSTRACT_P (fn) = false; |