From 0e8b84ec02f16c1560f81eaf971f4deb8e3223ad Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 20 May 2011 20:22:49 +0200 Subject: [PATCH] re PR bootstrap/49086 (libgomp/task.c:79:1: internal compiler error: Segmentation fault) PR bootstrap/49086 * gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL for PHI args that are SSA_NAME_IS_DEFAULT_DEF. From-SVN: r173967 --- gcc/ChangeLog | 6 ++++++ gcc/gimple-fold.c | 6 ++++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a2dd964d886..bacccd196a7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-05-20 Jakub Jelinek + + PR bootstrap/49086 + * gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL + for PHI args that are SSA_NAME_IS_DEFAULT_DEF. + 2011-05-20 Joseph Myers * Makefile.in: Update comment referring to $(OBJS-common). diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 933a47b0106..c98fd6a0d40 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -2276,7 +2276,8 @@ and_comparisons_1 (enum tree_code code1, tree op1a, tree op1b, code2, op2a, op2b)) return NULL_TREE; } - else if (TREE_CODE (arg) == SSA_NAME) + else if (TREE_CODE (arg) == SSA_NAME + && !SSA_NAME_IS_DEFAULT_DEF (arg)) { tree temp; gimple def_stmt = SSA_NAME_DEF_STMT (arg); @@ -2737,7 +2738,8 @@ or_comparisons_1 (enum tree_code code1, tree op1a, tree op1b, code2, op2a, op2b)) return NULL_TREE; } - else if (TREE_CODE (arg) == SSA_NAME) + else if (TREE_CODE (arg) == SSA_NAME + && !SSA_NAME_IS_DEFAULT_DEF (arg)) { tree temp; gimple def_stmt = SSA_NAME_DEF_STMT (arg); -- 2.30.2