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-rw-r--r--clang/lib/Driver/ToolChains/WebAssembly.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChains/WebAssembly.cpp b/clang/lib/Driver/ToolChains/WebAssembly.cpp
index 0104cbbbf4d..b69588d4c1e 100644
--- a/clang/lib/Driver/ToolChains/WebAssembly.cpp
+++ b/clang/lib/Driver/ToolChains/WebAssembly.cpp
@@ -62,8 +62,10 @@ void wasm::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (ToolChain.ShouldLinkCXXStdlib(Args))
ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
- if (Args.hasArg(options::OPT_pthread))
+ if (Args.hasArg(options::OPT_pthread)) {
CmdArgs.push_back("-lpthread");
+ CmdArgs.push_back("--shared-memory");
+ }
CmdArgs.push_back("-lc");
AddRunTimeLibs(ToolChain, ToolChain.getDriver(), CmdArgs, Args);
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