diff options
| author | Richard Biener <rguenther@suse.de> | 2019-08-20 13:14:59 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-08-20 13:14:59 +0000 |
| commit | 00f7060a2db60e6fe7066bf65244909dc7693d19 (patch) | |
| tree | 77498d10da26f0e9f067280982844b09b8d290bf | |
| parent | 3ed01d5408045d80a1efc42fadacfcfb98f14997 (diff) | |
re PR lto/91307 (-flto causes binary to vary)
2019-08-20 Richard Biener <rguenther@suse.de>
PR lto/91307
* ipa.c (cgraph_build_static_cdtor_1): Use names not recognizable
by collect2 when targetm.have_ctors_dtors which avoids dragging
in temporary filenames from LTO input objects.
From-SVN: r274748
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/ipa.c | 17 |
2 files changed, 18 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b750de4b421..353429d0f17 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2019-08-20 Richard Biener <rguenther@suse.de> + PR lto/91307 + * ipa.c (cgraph_build_static_cdtor_1): Use names not recognizable + by collect2 when targetm.have_ctors_dtors which avoids dragging + in temporary filenames from LTO input objects. + +2019-08-20 Richard Biener <rguenther@suse.de> + PR tree-optimization/37242 * tree-ssa-sccvn.c (visit_nary_op): Also CSE (T)(a + b) to (T)a + (T)b if we know that a + b does not overflow. diff --git a/gcc/ipa.c b/gcc/ipa.c index 2496694124c..6b84e1f9bda 100644 --- a/gcc/ipa.c +++ b/gcc/ipa.c @@ -836,13 +836,18 @@ cgraph_build_static_cdtor_1 (char which, tree body, int priority, bool final, /* The priority is encoded in the constructor or destructor name. collect2 will sort the names and arrange that they are called at program startup. */ - if (final) - sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + if (!targetm.have_ctors_dtors && final) + { + sprintf (which_buf, "%c_%.5d_%d", which, priority, counter++); + name = get_file_function_name (which_buf); + } else - /* Proudce sane name but one not recognizable by collect2, just for the - case we fail to inline the function. */ - sprintf (which_buf, "sub_%c_%.5d_%d", which, priority, counter++); - name = get_file_function_name (which_buf); + { + /* Proudce sane name but one not recognizable by collect2, just for the + case we fail to inline the function. */ + sprintf (which_buf, "_sub_%c_%.5d_%d", which, priority, counter++); + name = get_identifier (which_buf); + } decl = build_decl (input_location, FUNCTION_DECL, name, build_function_type_list (void_type_node, NULL_TREE)); |