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| author | Martin Liska <mliska@suse.cz> | 2017-07-26 10:52:37 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2017-07-26 08:52:37 +0000 |
| commit | 108c3c88d7273be093ff1431760bff5774381ac1 (patch) | |
| tree | e6e7217bb711dfa24d97cebd3c4daad78029b430 /gcc/function.c | |
| parent | 9cda17b5c6411df40b865838bc99d55709d7ae21 (diff) | |
| download | gcc-108c3c88d7273be093ff1431760bff5774381ac1.zip gcc-108c3c88d7273be093ff1431760bff5774381ac1.tar.gz gcc-108c3c88d7273be093ff1431760bff5774381ac1.tar.bz2 | |
Move non-local goto expansion after parm_birth_insn (PR sanitize/81186).
2017-07-26 Martin Liska <mliska@suse.cz>
PR sanitize/81186
* function.c (expand_function_start): Make expansion of
nonlocal_goto_save_area after parm_birth_insn.
2017-07-26 Martin Liska <mliska@suse.cz>
PR sanitize/81186
* gcc.dg/asan/pr81186.c: New test.
From-SVN: r250561
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gcc/function.c b/gcc/function.c index 986f43f..62e72eb 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5254,6 +5254,16 @@ expand_function_start (tree subr) } } + /* The following was moved from init_function_start. + The move is supposed to make sdb output more accurate. */ + /* Indicate the beginning of the function body, + as opposed to parm setup. */ + emit_note (NOTE_INSN_FUNCTION_BEG); + + gcc_assert (NOTE_P (get_last_insn ())); + + parm_birth_insn = get_last_insn (); + /* If the function receives a non-local goto, then store the bits we need to restore the frame pointer. */ if (cfun->nonlocal_goto_save_area) @@ -5275,16 +5285,6 @@ expand_function_start (tree subr) update_nonlocal_goto_save_area (); } - /* The following was moved from init_function_start. - The move is supposed to make sdb output more accurate. */ - /* Indicate the beginning of the function body, - as opposed to parm setup. */ - emit_note (NOTE_INSN_FUNCTION_BEG); - - gcc_assert (NOTE_P (get_last_insn ())); - - parm_birth_insn = get_last_insn (); - if (crtl->profile) { #ifdef PROFILE_HOOK |