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| author | Jan Hubicka <jh@suse.cz> | 2012-03-22 15:33:27 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-03-22 14:33:27 +0000 |
| commit | b4e93f4518eccf83c79145c0b74e6c72ce9bbc0f (patch) | |
| tree | 03738d0312372fd214a53bbb313ffd06dbb04d03 /gcc/cgraph.c | |
| parent | e45381b354ce6eac6cbcbf8a83f818c82ac52ac7 (diff) | |
| download | gcc-b4e93f4518eccf83c79145c0b74e6c72ce9bbc0f.zip gcc-b4e93f4518eccf83c79145c0b74e6c72ce9bbc0f.tar.gz gcc-b4e93f4518eccf83c79145c0b74e6c72ce9bbc0f.tar.bz2 | |
re PR tree-optimization/51737 (g++ crashes (internal compiler error: Segmentation fault) when compiling quickbook)
PR middle-end/51737
* cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
parameter.
* cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
* ipa-inline-transform.c (save_inline_function_body): Remove copied clone
if needed.
* tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
PR middle-end/51737
* g++.dg/torture/pr51737.C: New testcase
From-SVN: r185694
Diffstat (limited to 'gcc/cgraph.c')
| -rw-r--r-- | gcc/cgraph.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/cgraph.c b/gcc/cgraph.c index 9cc3690..7c44c05 100644 --- a/gcc/cgraph.c +++ b/gcc/cgraph.c @@ -1639,19 +1639,27 @@ cgraph_add_to_same_comdat_group (struct cgraph_node *new_, } } -/* Remove the node from cgraph. */ +/* Remove the node from cgraph and all inline clones inlined into it. + Skip however removal of FORBIDDEN_NODE and return true if it needs to be + removed. This allows to call the function from outer loop walking clone + tree. */ -void -cgraph_remove_node_and_inline_clones (struct cgraph_node *node) +bool +cgraph_remove_node_and_inline_clones (struct cgraph_node *node, struct cgraph_node *forbidden_node) { struct cgraph_edge *e, *next; + bool found = false; + + if (node == forbidden_node) + return true; for (e = node->callees; e; e = next) { next = e->next_callee; if (!e->inline_failed) - cgraph_remove_node_and_inline_clones (e->callee); + found |= cgraph_remove_node_and_inline_clones (e->callee, forbidden_node); } cgraph_remove_node (node); + return found; } /* Notify finalize_compilation_unit that given node is reachable. */ |