From b6f03d13126216b986b651a39bfc968267d56e3a Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 7 Mar 2018 10:19:36 +0100 Subject: re PR c++/84704 (internal compiler error: gimplification failed) PR c++/84704 * gimple-expr.c (create_tmp_var_raw): Set DECL_NAMELESS flag on tmp_var. * tree-pretty-print.c (dump_decl_name): For TDF_COMPARE_DEBUG, don't print names of DECL_NAMELESS DECL_IGNORED_P decls. From-SVN: r258317 --- gcc/tree-pretty-print.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'gcc/tree-pretty-print.c') diff --git a/gcc/tree-pretty-print.c b/gcc/tree-pretty-print.c index 73eb27c8e8f..276ad00a7b2 100644 --- a/gcc/tree-pretty-print.c +++ b/gcc/tree-pretty-print.c @@ -247,21 +247,32 @@ dump_fancy_name (pretty_printer *pp, tree name) static void dump_decl_name (pretty_printer *pp, tree node, dump_flags_t flags) { - if (DECL_NAME (node)) + tree name = DECL_NAME (node); + if (name) { if ((flags & TDF_ASMNAME) && HAS_DECL_ASSEMBLER_NAME_P (node) && DECL_ASSEMBLER_NAME_SET_P (node)) pp_tree_identifier (pp, DECL_ASSEMBLER_NAME_RAW (node)); + /* For -fcompare-debug don't dump DECL_NAMELESS names at all, + -g might have created more fancy names and their indexes + could get out of sync. Usually those should be DECL_IGNORED_P + too, SRA can create even non-DECL_IGNORED_P DECL_NAMELESS fancy + names, let's hope those never get out of sync after doing the + dump_fancy_name sanitization. */ + else if ((flags & TDF_COMPARE_DEBUG) + && DECL_NAMELESS (node) + && DECL_IGNORED_P (node)) + name = NULL_TREE; /* For DECL_NAMELESS names look for embedded uids in the names and sanitize them for TDF_NOUID. */ else if ((flags & TDF_NOUID) && DECL_NAMELESS (node)) - dump_fancy_name (pp, DECL_NAME (node)); + dump_fancy_name (pp, name); else - pp_tree_identifier (pp, DECL_NAME (node)); + pp_tree_identifier (pp, name); } char uid_sep = (flags & TDF_GIMPLE) ? '_' : '.'; - if ((flags & TDF_UID) || DECL_NAME (node) == NULL_TREE) + if ((flags & TDF_UID) || name == NULL_TREE) { if (TREE_CODE (node) == LABEL_DECL && LABEL_DECL_UID (node) != -1) pp_printf (pp, "L%c%d", uid_sep, (int) LABEL_DECL_UID (node)); -- cgit v1.2.3