Commits on Feb 13, 2023

1. cgen: make .global.s work more according to spec …

   For the C target, globals defined inside procedures that are resource-
   like (i.e. have a user-defined or lifted destructor) are now
   initialized in a module's pre-init procedure, instead of each time
   control-flow reaches the definition. This mirrors what already happened
   for non-resource-like globals.
   
   In addition, globals defined in `inline` procedures no longer cause
   linking errors because of duplicated definitions in the generated C
   code.
   
   The globals are extracted before translating the AST to MIR code,
   making the workaround in `mirgen` (that didn't work anyway) obsolete.
   In order to work towards unifying the architecture of the back-ends,
   `vmbackend` now also makes use of the pre-extraction, no longer
   requiring extra logic in the code-generator.
   
   - the destructor injection pass is not run for the initializer
     expression of globals defined inside procedures
   - `.global.`s on the JS target still don't work according to
     specification

   

   zerbina committed Feb 13, 2023
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