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# 3b578ae9 22-Apr-2022 Akira Hatanaka <[email protected]>

[Driver] Call hasFlag instead of hasArg

`_HAS_STATIC_RTTI` should be set to 0 only by `-fno-rtti` according to the
summary of https://reviews.llvm.org/D103771.

rdar://92039243

Differential Revisio

[Driver] Call hasFlag instead of hasArg

`_HAS_STATIC_RTTI` should be set to 0 only by `-fno-rtti` according to the
summary of https://reviews.llvm.org/D103771.

rdar://92039243

Differential Revision: https://reviews.llvm.org/D124312

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Revision tags: llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2
# 936d6756 10-Jun-2021 Markus Böck <[email protected]>

[clang][msvc] Define _HAS_STATIC_RTTI to 0, when compiling with -fno-rtti

When using the -fno-rtti option of the GCC style clang++, using typeid results in an error. The MSVC STL however kindly prov

[clang][msvc] Define _HAS_STATIC_RTTI to 0, when compiling with -fno-rtti

When using the -fno-rtti option of the GCC style clang++, using typeid results in an error. The MSVC STL however kindly provides a define flag called _HAS_STATIC_RTTI, which either enables or disables uses of typeid throughout the STL. By default, if undefined, it is set to 1, enabling the use of typeid.

With this patch, _HAS_STATIC_RTTI is set to 0 when -fno-rtti is specified. This way various headers of the MSVC STL like functional can be consumed without compilation failures.

Differential Revision: https://reviews.llvm.org/D103771

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