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1 files changed, 12 insertions, 0 deletions
diff --git a/test/COFF/duplicate.test b/test/COFF/duplicate.test
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+RUN: llc -mtriple x86_64-windows-msvc -filetype obj -o alpha.obj %S/Inputs/alpha.ll
+RUN: llc -mtriple x86_64-windows-msvc -filetype obj -o beta.obj %S/Inputs/beta.ll
+RUN: lld-link /out:alpha.dll /dll alpha.obj /implib:alpha.lib
+RUN: not lld-link /out:beta.dll /dll alpha.obj beta.obj alpha.lib 2>&1 | FileCheck %s -check-prefix CHECK-ALPHA
+
+CHECK-ALPHA: error: duplicate symbol: f in {{.*}}alpha.obj and in alpha.dll
+
+RUN: llc -mtriple x86_64-windows-msvc -filetype obj -o gamma.obj %S/Inputs/gamma.ll
+RUN: not lld-link /out:gamma.exe /subsystem:console /entry:mainCRTStartup gamma.obj alpha.lib 2>&1 | FileCheck %s -check-prefix CHECK-GAMMA
+
+CHECK-GAMMA: error: duplicate symbol: __imp_f in {{.*}}gamma.obj and in alpha.dll
+