From: Matthias Braun <matze@braunis.de>
Date: Wed, 3 Feb 2010 20:25:52 +0000 (+0000)
Subject: fix 'COMMON' variables in cparser
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=e0dc840844ae424f37cb00f9a39251cd277edc3a;p=cparser

fix 'COMMON' variables in cparser

[r27033]
---

diff --git a/ast2firm.c b/ast2firm.c
index e699f4a..764ea68 100644
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -4549,6 +4549,9 @@ static void create_global_variable(entity_t *entity)
 	ir_type *var_type = entity->variable.thread_local ?
 		get_tls_type() : get_glob_type();
 	create_variable_entity(entity, DECLARATION_KIND_GLOBAL_VARIABLE, var_type);
+	/* uninitialized globals get merged in C */
+ 	if (entity->variable.initializer == NULL)
+		linkage |= IR_LINKAGE_MERGE;
 	add_entity_linkage(entity->variable.v.entity, linkage);
 }