Index: cfe/trunk/lib/Sema/SemaLambda.cpp =================================================================== --- cfe/trunk/lib/Sema/SemaLambda.cpp +++ cfe/trunk/lib/Sema/SemaLambda.cpp @@ -904,6 +904,10 @@ ParamInfo.getDeclSpec().isConstexprSpecified()); if (ExplicitParams) CheckCXXDefaultArguments(Method); + + // This represents the function body for the lambda function, check if we + // have to apply optnone due to a pragma. + AddRangeBasedOptnone(Method); // Attributes on the lambda apply to the method. ProcessDeclAttributes(CurScope, Method, ParamInfo); Index: cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp =================================================================== --- cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp +++ cfe/trunk/test/CodeGenCXX/optnone-pragma-optimize-off.cpp @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 %s -triple %itanium_abi_triple -O1 -disable-llvm-passes -emit-llvm -o - | FileCheck %s + +// Test the attributes for the lambda function contains 'optnone' as result of +// the _Pragma("clang optimize off"). + +_Pragma("clang optimize off") + +void foo(int p) { + auto lambda = [&p]() { ++p; }; + lambda(); + // CHECK: define {{.*}} @"_ZZ3fooiENK3$_0clEv"({{.*}}) #[[LAMBDA_ATR:[0-9]+]] +} + +_Pragma("clang optimize on") + +// CHECK: attributes #[[LAMBDA_ATR]] = { {{.*}} optnone {{.*}} } \ No newline at end of file