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authorNick Lewycky <nicholas@mxc.ca>2011-07-26 08:40:36 +0000
committerNick Lewycky <nicholas@mxc.ca>2011-07-26 08:40:36 +0000
commit5e0ac58bef2632a804358ec42a6ba5c6be42c450 (patch)
tree191ff4d75b5cddaf23490e036ba23f508d089eb1 /tools
parentde77055a68a3fc495e01b682f00059af3e38822e (diff)
Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson
and Jeffrey Bosboom! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136066 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools')
-rw-r--r--tools/gold/gold-plugin.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/gold/gold-plugin.cpp b/tools/gold/gold-plugin.cpp
index 9e43bef31f..8cb4fb4bca 100644
--- a/tools/gold/gold-plugin.cpp
+++ b/tools/gold/gold-plugin.cpp
@@ -360,6 +360,8 @@ static ld_plugin_status all_symbols_read_hook(void) {
bool anySymbolsPreserved = false;
for (std::list<claimed_file>::iterator I = Modules.begin(),
E = Modules.end(); I != E; ++I) {
+ if (I->syms.empty())
+ continue;
(*get_symbols)(I->handle, I->syms.size(), &I->syms[0]);
for (unsigned i = 0, e = I->syms.size(); i != e; i++) {
if (I->syms[i].resolution == LDPR_PREVAILING_DEF) {