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Language

C++

Compiler

clang HEAD 12.0.0 (https://github.com/llvm/llvm-project.git 2ac06241d277c969c0dee0f40fb4f00971a4d7f7)

Options
Warnings
Boost 1.73.0
C++2a
no pedantic
Raw compiler options
-Wshadow

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/clang-head/include -std=c++2a -Wshadow
prog.cc:7:18: warning: declaration shadows a local variable [-Wshadow]
        for (int x = 0; x < 10; ++x) {  // C4456
                 ^
prog.cc:6:16: note: previous declaration is here
        double x = 0;
               ^
1 warning generated.
Exit Code:
0