diff --git a/compiler-rt/test/asan/TestCases/Windows/dll_heap_allocation.cpp b/compiler-rt/test/asan/TestCases/Windows/dll_heap_allocation.cpp
--- a/compiler-rt/test/asan/TestCases/Windows/dll_heap_allocation.cpp
+++ b/compiler-rt/test/asan/TestCases/Windows/dll_heap_allocation.cpp
@@ -1,7 +1,6 @@
-// UNSUPPORTED: target={{.*-windows-gnu}}
-
-// RUN: %clang_cl -LD %s -Fe%t.dll -DHEAP_LIBRARY -MD
-// RUN: %clang_cl %s %t.lib -Fe%t -fsanitize=address -MT
+// RUN: %clang_cl %LD %s %Fe%t.dll -DHEAP_LIBRARY %MD \
+// RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--out-implib,%t.lib %}
+// RUN: %clang_cl %s %t.lib %Fe%t -fsanitize=address %MT
 // RUN: %run %t 2>&1 | FileCheck %s
 
 // Check that ASan does not fail when releasing allocations that occurred within
@@ -18,6 +17,7 @@
 
 #else
 
+#include <cstdio>
 #include <memory>
 extern std::unique_ptr<int> __declspec(dllimport) myglobal;
 int main(int argc, char **argv) {
diff --git a/compiler-rt/test/asan/TestCases/Windows/dll_report_globals_symbolization_at_startup.cpp b/compiler-rt/test/asan/TestCases/Windows/dll_report_globals_symbolization_at_startup.cpp
--- a/compiler-rt/test/asan/TestCases/Windows/dll_report_globals_symbolization_at_startup.cpp
+++ b/compiler-rt/test/asan/TestCases/Windows/dll_report_globals_symbolization_at_startup.cpp
@@ -1,7 +1,6 @@
-// UNSUPPORTED: target={{.*-windows-gnu}}
-
-// RUN: %clang_cl_asan -LD -Od -DDLL %s -Fe%t.dll
-// RUN: %clang_cl_asan -Od -DEXE %s %t.lib -Fe%te.exe
+// RUN: %clang_cl_asan %LD %Od -DDLL %s %Fe%t.dll \
+// RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--out-implib,%t.lib %}
+// RUN: %clang_cl_asan %Od -DEXE %s %t.lib %Fe%te.exe
 // RUN: %env_asan_opts=report_globals=2 %run %te.exe 2>&1 | FileCheck %s
 
 // FIXME: Currently, the MT runtime build crashes on startup due to dbghelp.dll
diff --git a/compiler-rt/test/asan/TestCases/Windows/null_deref_multiple_dlls.cpp b/compiler-rt/test/asan/TestCases/Windows/null_deref_multiple_dlls.cpp
--- a/compiler-rt/test/asan/TestCases/Windows/null_deref_multiple_dlls.cpp
+++ b/compiler-rt/test/asan/TestCases/Windows/null_deref_multiple_dlls.cpp
@@ -1,12 +1,12 @@
-// UNSUPPORTED: target={{.*-windows-gnu}}
-
 // Make sure everything works even if the main module doesn't have any stack
 // variables, thus doesn't explicitly reference any symbol exported by the
 // runtime thunk.
 //
-// RUN: %clang_cl_asan -LD -Od -DDLL1 %s -Fe%t1.dll
-// RUN: %clang_cl_asan -LD -Od -DDLL2 %s -Fe%t2.dll
-// RUN: %clang_cl_asan -Od -DEXE %s %t1.lib %t2.lib -Fe%t
+// RUN: %clang_cl_asan %LD %Od -DDLL1 %s %Fe%t1.dll \
+// RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--out-implib,%t1.lib %}
+// RUN: %clang_cl_asan %LD %Od -DDLL2 %s %Fe%t2.dll \
+// RUN:   %if target={{.*-windows-gnu}} %{ -Wl,--out-implib,%t2.lib %}
+// RUN: %clang_cl_asan %Od -DEXE %s %t1.lib %t2.lib %Fe%t
 // RUN: not %run %t 2>&1 | FileCheck %s
 
 #include <malloc.h>
diff --git a/compiler-rt/test/asan/TestCases/Windows/shadow_conflict_32.cpp b/compiler-rt/test/asan/TestCases/Windows/shadow_conflict_32.cpp
--- a/compiler-rt/test/asan/TestCases/Windows/shadow_conflict_32.cpp
+++ b/compiler-rt/test/asan/TestCases/Windows/shadow_conflict_32.cpp
@@ -1,11 +1,13 @@
-// UNSUPPORTED: target={{.*-windows-gnu}}
-
 // Load this DLL at the default 32-bit ASan shadow base, and test how we dump
 // the process memory layout.
 // REQUIRES: asan-32-bits
 //
-// RUN: %clang_cl_asan -DBUILD_DLL -LD %s -Fe%t_dll.dll -link -base:0x30000000 -fixed -dynamicbase:no
-// RUN: %clang_cl_asan %s -Fe%t.exe -link %t_dll.lib
+// RUN: %clang_cl_asan -DBUILD_DLL %LD %s %Fe%t_dll.dll \
+// RUN:   %if target={{.*-windows-gnu}} %{ \
+// RUN:     -Wl,--image-base,0x30000000,--disable-reloc-section \
+// RUN:     -Wl,--disable-dynamicbase,--out-implib,%t_dll.lib \
+// RUN:   %} %else %{ -link -base:0x30000000 -fixed -dynamicbase:no %}
+// RUN: %clang_cl_asan %s %Fe%t.exe %t_dll.lib
 // RUN: not %run %t.exe 2>&1 | FileCheck %s
 
 #ifndef BUILD_DLL