Index: lld/trunk/COFF/SymbolTable.cpp
===================================================================
--- lld/trunk/COFF/SymbolTable.cpp
+++ lld/trunk/COFF/SymbolTable.cpp
@@ -185,6 +185,8 @@
       continue;
     if (!sym->isUsedInRegularObj)
       continue;
+    if (undef->getWeakAlias())
+      continue;
 
     StringRef name = undef->getName();
 
Index: lld/trunk/test/COFF/alias-implib.s
===================================================================
--- lld/trunk/test/COFF/alias-implib.s
+++ lld/trunk/test/COFF/alias-implib.s
@@ -0,0 +1,23 @@
+# REQUIRES: x86
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64-mingw32 -o %t.o %s
+# RUN: lld-link -lldmingw -entry:main -out:%t.exe %t.o %S/Inputs/alias-implib.lib -verbose 2>&1 | FileCheck %s
+
+# Check that the undefined (weak) alias symbol (with an existing lazy
+# __imp_alias) doesn't trigger trying to load __imp_alias for autoimport,
+# when the weak alias target actually does exist.
+
+# CHECK-NOT: Loading lazy{{.*}}for automatic import
+
+    .text
+    .globl main
+main:
+    call alias
+    ret
+
+# alias-implib.lib was created with "llvm-dlltool -m i386:x86-64
+# -l alias-implib.lib -d alias-implib.def" with this def snippet:
+# LIBRARY lib.dll
+# EXPORTS
+# realfunc
+# alias == realfunc