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| author | Richard Guenther <rguenther@suse.de> | 2006-04-24 08:21:41 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2006-04-24 08:21:41 +0000 |
| commit | c0a3f887e5153990dd33e72dd4a6530ba19ab5ce (patch) | |
| tree | 9447643cb0f66e8473863d82719834c532c200c3 | |
| parent | 72fa5e06ab66219c7c7ef13e2bd9a2e123a89672 (diff) | |
| download | gcc-c0a3f887e5153990dd33e72dd4a6530ba19ab5ce.zip gcc-c0a3f887e5153990dd33e72dd4a6530ba19ab5ce.tar.gz gcc-c0a3f887e5153990dd33e72dd4a6530ba19ab5ce.tar.bz2 | |
re PR middle-end/26869 (Segfault in find_lattice_value() for complex operands.)
2006-04-24 Richard Guenther <rguenther@suse.de>
PR middle-end/26869
* tree-complex.c (update_parameter_components): Don't handle
unused parameters which have no default def.
* gcc.dg/torture/pr26869.c: New testcase.
From-SVN: r113219
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr26869.c | 7 | ||||
| -rw-r--r-- | gcc/tree-complex.c | 2 |
4 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0f66eac..171808d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-04-24 Richard Guenther <rguenther@suse.de> + + PR middle-end/26869 + * tree-complex.c (update_parameter_components): Don't handle + unused parameters which have no default def. + 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org> Richard Guenther <rguenther@suse.de> diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 326c31d..3c6b413 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-04-24 Richard Guenther <rguenther@suse.de> + + PR middle-end/26869 + * gcc.dg/torture/pr26869.c: New testcase. + 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org> Richard Guenther <rguenther@suse.de> diff --git a/gcc/testsuite/gcc.dg/torture/pr26869.c b/gcc/testsuite/gcc.dg/torture/pr26869.c new file mode 100644 index 0000000..6743319 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr26869.c @@ -0,0 +1,7 @@ +/* { dg-do compile } */ + +_Complex float f (_Complex float b, _Complex float c) +{ + _Complex float a = 1.0 + 0.0i; + return a / c; +} diff --git a/gcc/tree-complex.c b/gcc/tree-complex.c index 0529131..65466bb 100644 --- a/gcc/tree-complex.c +++ b/gcc/tree-complex.c @@ -652,6 +652,8 @@ update_parameter_components (void) type = TREE_TYPE (type); ssa_name = default_def (parm); + if (!ssa_name) + continue; r = build1 (REALPART_EXPR, type, ssa_name); i = build1 (IMAGPART_EXPR, type, ssa_name); |