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PageMap is allocated with MAP_ALLOWNOMEM if there's no static buffer left. So it can be failed and return nullptr without any assertion triggered. Instead of crashing in the releaseToOSMaybe in the middle, just return and let the program handles the page failure. Reviewed By: cferris Differential Revision: https://reviews.llvm.org/D151379
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================