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| author | Jakub Jelinek <jakub@redhat.com> | 2009-06-05 17:35:13 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-06-05 17:35:13 +0200 |
| commit | 9f706f23d133a3e4eb5130996461e5cfb2cb706a (patch) | |
| tree | 12a9da39bc6bfc83111af358d8b58d60dbbd2f22 /gcc/tree-ssa-live.c | |
| parent | 8f439681a9e2e7fa095868097d0e0cc331734957 (diff) | |
| download | gcc-9f706f23d133a3e4eb5130996461e5cfb2cb706a.zip gcc-9f706f23d133a3e4eb5130996461e5cfb2cb706a.tar.gz gcc-9f706f23d133a3e4eb5130996461e5cfb2cb706a.tar.bz2 | |
re PR middle-end/40340 (Fortification warning no longer emitted in inlines)
PR middle-end/40340
* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
inlined_function_outer_scope_p blocks for artificial inlines
even at -g0/-g1.
* tree.c (tree_nonartificial_location): Rewrite using
block_nonartificial_location.
* gcc.dg/pr40340-1.c: New test.
* gcc.dg/pr40340-2.c: New test.
* gcc.dg/pr40340-3.c: New test.
* gcc.dg/pr40340-4.c: New test.
* gcc.dg/pr40340-5.c: New test.
* gcc.dg/pr40340.h: New file.
From-SVN: r148212
Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index c7366ff..a710c65 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -536,7 +536,25 @@ remove_unused_scope_block_p (tree scope) /* For terse debug info we can eliminate info on unused variables. */ else if (debug_info_level == DINFO_LEVEL_NONE || debug_info_level == DINFO_LEVEL_TERSE) - ; + { + /* Even for -g0/-g1 don't prune outer scopes from artificial + functions, otherwise diagnostics using tree_nonartificial_location + will not be emitted properly. */ + if (inlined_function_outer_scope_p (scope)) + { + tree ao = scope; + + while (ao + && TREE_CODE (ao) == BLOCK + && BLOCK_ABSTRACT_ORIGIN (ao) != ao) + ao = BLOCK_ABSTRACT_ORIGIN (ao); + if (ao + && TREE_CODE (ao) == FUNCTION_DECL + && DECL_DECLARED_INLINE_P (ao) + && lookup_attribute ("artificial", DECL_ATTRIBUTES (ao))) + unused = false; + } + } else if (BLOCK_VARS (scope) || BLOCK_NUM_NONLOCALIZED_VARS (scope)) unused = false; /* See if this block is important for representation of inlined function. |