COFF: Add search paths in the correct order.

Previously, we added search paths in reverse order.

llvm-svn: 240180

lld/COFF/Driver.cpp

@@ -288,11 +288,8 @@ bool LinkerDriver::link(int Argc, const char *Argv[]) {
   Config->MachineType = MTOrErr.get();
 
   // Handle /libpath
-  for (auto *Arg : Args->filtered(OPT_libpath)) {
+  for (auto *Arg : Args->filtered(OPT_libpath))
-    // Inserting at front of a vector is okay because it's short.
+    SearchPaths.push_back(Arg->getValue());
-    // +1 because the first entry is always "." (current directory).
-    SearchPaths.insert(SearchPaths.begin() + 1, Arg->getValue());
-  }
 
   // Handle /nodefaultlib:<filename>
   for (auto *Arg : Args->filtered(OPT_nodefaultlib))

lld/test/COFF/libpath.test

@@ -0,0 +1,26 @@
+# RUN: mkdir -p %t/a %t/b
+# RUN: cp %p/Inputs/std64.lib %t/a/
+# RUN: cp %p/Inputs/std64.lib %t/b/
+
+# RUN: env LIB=%t/a lld -flavor link2 /out:%t.exe /entry:main /verbose \
+# RUN:   std64.lib /subsystem:console \
+# RUN:   %p/Inputs/hello64.obj /libpath:%t/b >& %t.log
+# RUN: FileCheck -check-prefix=CHECK1 %s < %t.log
+
+# RUN: lld -flavor link2 /out:%t.exe /entry:main /verbose std64.lib \
+# RUN:   /subsystem:console %p/Inputs/hello64.obj \
+# RUN:   /libpath:%t/a /libpath:%t/b >& %t.log
+# RUN: FileCheck -check-prefix=CHECK1 %s < %t.log
+
+CHECK1: Reading {{.*}}/a/std64.lib
+
+# RUN: env LIB=%t/b lld -flavor link2 /out:%t.exe /entry:main /verbose \
+# RUN:   /subsystem:console std64.lib %p/Inputs/hello64.obj \
+# RUN:   /libpath:%t/a >& %t.log
+# RUN: FileCheck -check-prefix=CHECK2 %s < %t.log
+
+# RUN: lld -flavor link2 /out:%t.exe /entry:main /verbose /subsystem:console \
+# RUN:   std64.lib %p/Inputs/hello64.obj /libpath:%t/b /libpath:%t/a >& %t.log
+# RUN: FileCheck -check-prefix=CHECK2 %s < %t.log
+
+CHECK2: Reading {{.*}}/b/std64.lib