From 6b20f353f6c35385c5e473672ed373e4470df908 Mon Sep 17 00:00:00 2001 From: Dodji Seketeli Date: Wed, 12 Nov 2008 21:57:44 +0000 Subject: re PR debug/27574 (MIssing debug info at -O0 for a local variable in a C++ constructor) gcc/ChangeLog: 2008-11-12 Dodji Seketeli PR debug/27574 * cgraph.h: New abstract_and_needed member to struct cgraph_node. * cgraphunit.c (cgraph_analyze_functions): Flag abstract functions - which clones are reachable - as "abstract and needed". * cgraph.c (cgraph_release_function_body): If a node is "abstract and needed", do not release its DECL_INITIAL() content because that will be needed to emit debug info. gcc/testsuite/ChangeLog: 2008-11-12 Dodji Seketeli PR debug/27574 * g++.dg/debug/dwarf2/local-var-in-contructor.C: New test. From-SVN: r141807 --- gcc/cgraph.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'gcc/cgraph.c') diff --git a/gcc/cgraph.c b/gcc/cgraph.c index 73dbfb3..43659cb 100644 --- a/gcc/cgraph.c +++ b/gcc/cgraph.c @@ -936,7 +936,11 @@ cgraph_release_function_body (struct cgraph_node *node) DECL_STRUCT_FUNCTION (node->decl) = NULL; } DECL_SAVED_TREE (node->decl) = NULL; - DECL_INITIAL (node->decl) = error_mark_node; + /* If the node is abstract and needed, then do not clear DECL_INITIAL + of its associated function function declaration because it's + needed to emit debug info later. */ + if (!node->abstract_and_needed) + DECL_INITIAL (node->decl) = error_mark_node; } /* Remove the node from cgraph. */ -- cgit v1.1