1 files changed, 35 insertions, 0 deletions
diff --git a/test/COFF/common-replacement.s b/test/COFF/common-replacement.s
new file mode 100644
index 000000000000..115ebe5bfd11
--- /dev/null
+++ b/test/COFF/common-replacement.s
@@ -0,0 +1,35 @@
+# REQUIRES: x86
+
+# RUN: llvm-mc -triple=x86_64-windows-gnu %s -filetype=obj -o %t1.obj
+# RUN: llvm-mc -triple=x86_64-windows-gnu %S/Inputs/common-replacement.s -filetype=obj -o %t2.obj
+
+# RUN: lld-link -lldmingw -entry:main %t1.obj %t2.obj -out:%t.exe -verbose 2>&1 \
+# RUN:   | FileCheck -check-prefix VERBOSE %s
+# RUN: llvm-readobj -s %t.exe | FileCheck -check-prefix SECTIONS %s
+
+# VERBOSE: -aligncomm:"foo",2
+
+# As long as the .comm symbol is replaced with actual data, RawDataSize
+# below should be nonzero.
+
+# SECTIONS:         Name: .data (2E 64 61 74 61 00 00 00)
+# SECTIONS-NEXT:    VirtualSize: 0x8
+# SECTIONS-NEXT:    VirtualAddress: 0x3000
+# SECTIONS-NEXT:    RawDataSize: 512
+
+
+        .text
+        .def            main;
+        .scl            2;
+        .type           32;
+        .endef
+        .globl          main
+        .p2align        4, 0x90
+main:
+        movl            foo(%rip), %eax
+        retq
+
+# This produces an aligncomm directive, but when linking in
+# Inputs/common-replacement.s, this symbol is replaced by a normal defined
+# symbol instead.
+        .comm           foo, 4, 2