ANGLE generates invalid shaders for some locale's

+ #include <locale>
+
int main(int argc, char *argv[])
{
+    std::locale loc("de-DE");
+    std::locale::global(loc);

QOpenGLShader::link: "(44,29-56): error X3014: incorrect number of arguments to numeric-type constructorWarning: D3D shader compilation failed with default flags Retrying with skip validation.(44,29-56): error X3014: incorrect number of arguments to numeric-type constructorWarning: D3D shader compilation failed with skip validation flags Retrying with skip optimization.(44,29-56): error X3014: incorrect number of arguments to numeric-type constructorWarning: D3D shader compilation failed with skip optimization flagsFailed to create D3D shaders"