diff options
author | Mark Mitchell <mark@codesourcery.com> | 2004-02-29 23:10:43 +0000 |
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committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 2004-02-29 23:10:43 +0000 |
commit | 39876352716051ef43f55ba526b907ae86ae55a9 (patch) | |
tree | 5930b373d34c33710c6c6db49746e7cac225ad01 /gcc | |
parent | 8bb915b65498bcfd9769ba28438140e4006b9d3e (diff) | |
download | gcc-39876352716051ef43f55ba526b907ae86ae55a9.zip gcc-39876352716051ef43f55ba526b907ae86ae55a9.tar.gz gcc-39876352716051ef43f55ba526b907ae86ae55a9.tar.bz2 |
re PR debug/12103 (-g only crash (segfault) with a forward declared class used as a template parameter)
PR debug/12103
* class.c (update_vtable_entry_for_fn): Do not go through
covariance machinery if the type returned by an overrider is the
same as the original.
PR debug/12103
* g++.dg/debug/crash1.C: New test.
From-SVN: r78680
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/cp/ChangeLog | 7 | ||||
-rw-r--r-- | gcc/cp/class.c | 3 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/debug/crash1.C | 17 |
4 files changed, 31 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 2c05b71..979f578 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,10 @@ +2004-02-29 Mark Mitchell <mark@codesourcery.com> + + PR debug/12103 + * class.c (update_vtable_entry_for_fn): Do not go through + covariance machinery if the type returned by an overrider is the + same as the original. + 2004-02-29 Kazu Hirata <kazu@cs.umass.edu> * call.c: Fix a comment typo. diff --git a/gcc/cp/class.c b/gcc/cp/class.c index f09368f..3a34ce45 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -2090,7 +2090,8 @@ update_vtable_entry_for_fn (tree t, tree binfo, tree fn, tree* virtuals, TREE_VALUE (purpose_member (BINFO_TYPE (virtual_offset), CLASSTYPE_VBASECLASSES (TREE_TYPE (over_return)))); - else + else if (!same_type_p (TREE_TYPE (over_return), + TREE_TYPE (base_return))) { /* There was no existing virtual thunk (which takes precedence). */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 650c6fc..b5aa29d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2004-02-29 Mark Mitchell <mark@codesourcery.com> + + PR debug/12103 + * g++.dg/debug/crash1.C: New test. + 2004-02-29 Kazu Hirata <kazu@cs.umass.edu> * gcc.dg/sibcall-3.c (recurser_void1): Make it an extern diff --git a/gcc/testsuite/g++.dg/debug/crash1.C b/gcc/testsuite/g++.dg/debug/crash1.C new file mode 100644 index 0000000..4fba256 --- /dev/null +++ b/gcc/testsuite/g++.dg/debug/crash1.C @@ -0,0 +1,17 @@ +template <typename T> +class foo +{ + T t; +}; + +class bar; +typedef foo<bar> foobar; + +class obj +{ + virtual foobar* yeah() = 0; +}; + +class bar : virtual public obj +{ +}; |