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diff --git a/test/COFF/stack.test b/test/COFF/stack.test
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+# RUN: yaml2obj < %p/Inputs/ret42.yaml > %t.obj
+
+# RUN: lld-link /out:%t.exe /entry:main %t.obj
+# RUN: llvm-readobj -file-headers %t.exe | FileCheck -check-prefix=DEFAULT %s
+
+DEFAULT: SizeOfStackReserve: 1048576
+DEFAULT: SizeOfStackCommit: 4096
+
+# RUN: lld-link /out:%t.exe /entry:main %t.obj /stack:0x3000
+# RUN: llvm-readobj -file-headers %t.exe | FileCheck -check-prefix=CHECK1 %s
+# RUN: echo "STACKSIZE 12288" > %t.def
+# RUN: lld-link /out:%t.exe /entry:main /def:%t.def %t.obj
+# RUN: llvm-readobj -file-headers %t.exe | FileCheck -check-prefix=CHECK1 %s
+
+CHECK1: SizeOfStackReserve: 12288
+CHECK1: SizeOfStackCommit: 4096
+
+# RUN: lld-link /out:%t.exe /entry:main %t.obj /stack:0x5000,0x3000
+# RUN: llvm-readobj -file-headers %t.exe | FileCheck -check-prefix=CHECK2 %s
+# RUN: echo "STACKSIZE 20480,12288" > %t.def
+# RUN: lld-link /out:%t.exe /entry:main /def:%t.def %t.obj
+# RUN: llvm-readobj -file-headers %t.exe | FileCheck -check-prefix=CHECK2 %s
+
+CHECK2: SizeOfStackReserve: 20480
+CHECK2: SizeOfStackCommit: 12288