From 3dac16bde876e6ef586bed692a5c52015d230188 Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 9 Sep 2005 09:00:42 +0000 Subject: [PATCH] re PR c++/23624 (ICE: internal compiler error: in invert_truthvalue, at fold-const.c:2697) 2005-09-09 Richard Guenther PR c++/23624 * fold-const.c (fold_ternary): Check truth_value_p before calling invert_truthvalue. * g++.dg/tree-ssa/pr23624.C: New testcase. From-SVN: r104083 --- gcc/ChangeLog | 6 ++++++ gcc/fold-const.c | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/tree-ssa/pr23624.C | 8 ++++++++ 4 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/g++.dg/tree-ssa/pr23624.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 185cc13..7ec894c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-09-09 Richard Guenther + + PR c++/23624 + * fold-const.c (fold_ternary): Check truth_value_p before + calling invert_truthvalue. + 2005-09-09 Nick Clifton * Makefile.in (LIBGCC_DEPS): Add libgcc2.h. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 2f024b4..4b41adf 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -10006,7 +10006,8 @@ fold_ternary (enum tree_code code, tree type, tree op0, tree op1, tree op2) /* If the second operand is simpler than the third, swap them since that produces better jump optimization results. */ - if (tree_swap_operands_p (op1, op2, false)) + if (truth_value_p (TREE_CODE (arg0)) + && tree_swap_operands_p (op1, op2, false)) { /* See if this can be inverted. If it can't, possibly because it was a floating-point inequality comparison, don't do diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8070a16..db903b1 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-09-09 Richard Guenther + + PR c++/23624 + * g++.dg/tree-ssa/pr23624.C: New testcase. + 2005-09-09 Richard Sandiford PR fortran/19239 diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr23624.C b/gcc/testsuite/g++.dg/tree-ssa/pr23624.C new file mode 100644 index 0000000..769d690 --- /dev/null +++ b/gcc/testsuite/g++.dg/tree-ssa/pr23624.C @@ -0,0 +1,8 @@ +/* { dg-do compile } */ + +template +void f() +{ + int *t, i; + t[i ? 0 : i]; +} -- 2.7.4