Add -fno-assume-sane-operator-new when building with MSan.
A workaroudn for PR16386. MSan's operator new aften has side-effects that are miscompiled without this flag. llvm-svn: 184410
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@ -94,8 +94,12 @@ class SanitizerArgs {
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CmdArgs.push_back(Args.MakeArgString("-fsanitize-memory-track-origins"));
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if (AsanZeroBaseShadow)
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CmdArgs.push_back(Args.MakeArgString(
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"-fsanitize-address-zero-base-shadow"));
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CmdArgs.push_back(
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Args.MakeArgString("-fsanitize-address-zero-base-shadow"));
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// Workaround for PR16386.
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if (needsMsanRt())
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CmdArgs.push_back(Args.MakeArgString("-fno-assume-sane-operator-new"));
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}
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private:
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@ -139,3 +139,6 @@
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// RUN: %clang -target x86_64-linux-gnu -fsanitize=address,leak -fno-sanitize=address %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANA-SANL-NO-SANA
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// CHECK-SANA-SANL-NO-SANA: "-fsanitize=leak"
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// RUN: %clang -target x86_64-linux-gnu -fsanitize=memory %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-MSAN
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// CHECK-MSAN: "-fno-assume-sane-operator-new"
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