diff options
| author | Jan Hubicka <hubicka@ucw.cz> | 2019-02-12 12:25:11 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-02-12 11:25:11 +0000 |
| commit | baaf860b3364f2efac1cb04a1430f82f867768ef (patch) | |
| tree | e9b26a340267828b74f5c5a01d908071d9eca10d /gcc/cgraphunit.c | |
| parent | 0dcbc6dd8e6bc57a27d5b1cdbd8447a2f5a618b2 (diff) | |
re PR target/88777 (Out-of-range offsets building glibc test-tgmath2.c for hppa-linux-gnu)
PR lto/88777
* cgraphunit.c (analyze_functions): Clear READONLY flag for external
types that needs constructiong.
* tree.h (may_be_aliased): Do not check TYPE_NEEDS_CONSTRUCTING.
From-SVN: r268791
Diffstat (limited to 'gcc/cgraphunit.c')
| -rw-r--r-- | gcc/cgraphunit.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index a7c9b9ac249..162e0049b6b 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -1226,6 +1226,15 @@ analyze_functions (bool first_time) && node != first_handled_var; node = next) { next = node->next; + /* For symbols declared locally we clear TREE_READONLY when emitting + the construtor (if one is needed). For external declarations we can + not safely assume that the type is readonly because we may be called + during its construction. */ + if (TREE_CODE (node->decl) == VAR_DECL + && TYPE_P (TREE_TYPE (node->decl)) + && TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (node->decl)) + && DECL_EXTERNAL (node->decl)) + TREE_READONLY (node->decl) = 0; if (!node->aux && !node->referred_to_p ()) { if (symtab->dump_file) |