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| author | Aldy Hernandez <aldyh@redhat.com> | 2016-07-19 19:29:42 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2016-07-19 19:29:42 +0000 |
| commit | f36a3ff7f79ee4c039716557cb6205c5a3ae1924 (patch) | |
| tree | ffd490f736b674ec1f96169d825b6a32cfcdac17 /gcc | |
| parent | 4fda19ef2b56cd04d557e44e742984e8318b5c3c (diff) | |
| download | gcc-f36a3ff7f79ee4c039716557cb6205c5a3ae1924.zip gcc-f36a3ff7f79ee4c039716557cb6205c5a3ae1924.tar.gz gcc-f36a3ff7f79ee4c039716557cb6205c5a3ae1924.tar.bz2 | |
re PR debug/71855 (duplicate unspecified_parameters DIE in DWARF for functions with variable arguments)
PR debug/71855
* dwarf2out.c (gen_subprogram_die): Only call
gen_unspecified_parameters_die while dumping early dwarf.
From-SVN: r238488
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/dwarf2out.c | 13 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/debug/dwarf2/pr71855.c | 11 |
3 files changed, 25 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a59b4b3..3511951 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-07-19 Aldy Hernandez <aldyh@redhat.com> + + PR debug/71855 + * dwarf2out.c (gen_subprogram_die): Only call + gen_unspecified_parameters_die while dumping early dwarf. + 2016-07-19 Jakub Jelinek <jakub@redhat.com> PR middle-end/71874 diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 9da2b3b..e3cb586 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -20726,14 +20726,17 @@ gen_subprogram_die (tree decl, dw_die_ref context_die) void_type_node 2) an unprototyped function declaration (not a definition). This just means that we have no info about the parameters at all. */ - if (prototype_p (TREE_TYPE (decl))) + if (early_dwarf) { - /* This is the prototyped case, check for.... */ - if (stdarg_p (TREE_TYPE (decl))) + if (prototype_p (TREE_TYPE (decl))) + { + /* This is the prototyped case, check for.... */ + if (stdarg_p (TREE_TYPE (decl))) + gen_unspecified_parameters_die (decl, subr_die); + } + else if (DECL_INITIAL (decl) == NULL_TREE) gen_unspecified_parameters_die (decl, subr_die); } - else if (DECL_INITIAL (decl) == NULL_TREE) - gen_unspecified_parameters_die (decl, subr_die); } if (subr_die != old_die) diff --git a/gcc/testsuite/gcc.dg/debug/dwarf2/pr71855.c b/gcc/testsuite/gcc.dg/debug/dwarf2/pr71855.c new file mode 100644 index 0000000..4fd8b74 --- /dev/null +++ b/gcc/testsuite/gcc.dg/debug/dwarf2/pr71855.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O0 -g -dA" } */ + +// Test that there is only one DW_TAG_unspecified_parameters DIE. + +void +foo (const char *format, ...) +{ +} + +// { dg-final { scan-assembler-times "DIE.*DW_TAG_unspecified_parameters" 1 } } |