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| author | Richard Biener <rguenther@suse.de> | 2017-06-19 15:01:13 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-06-19 15:01:13 +0000 |
| commit | 343ae898b17490d15c98f711ffcb04c88cca9235 (patch) | |
| tree | ef6963983505b5fc27f730d9f530a778279acca3 /gcc/tree-ssa-structalias.c | |
| parent | 9787269815559a63fbbda58b35137f832a612984 (diff) | |
| download | gcc-343ae898b17490d15c98f711ffcb04c88cca9235.zip gcc-343ae898b17490d15c98f711ffcb04c88cca9235.tar.gz gcc-343ae898b17490d15c98f711ffcb04c88cca9235.tar.bz2 | |
re PR bootstrap/80887 (gnat bootstrap fails at s-regpat.o: raised STORAGE_ERROR : stack overflow or erroneous memory access)
2017-06-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/80887
c/
* gimple-parser.c (c_parser_gimple_postfix_expression): Handle
negated _Literals to parse _Literal (int) -1.
* tree-ssa-sccvn.c (mprts_hook_cnt): New global.
(vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
simplified lookups, then reset mprts_hook.
(vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
simplifying.
(try_to_simplify): Likewise.
* gcc.dg/tree-ssa/pr80887.c: New testcase.
From-SVN: r249373
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
0 files changed, 0 insertions, 0 deletions