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start.zig: unconditionally import the root source file

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stage1 did this by accident by unconditionally semantically analyzing
std.builtin.panic, which imports the root source file to look for a
panic handler override. But stage2 is smarter; it will only semantically
analyze std.builtin.panic if any panic calls are emitted. So for very
simple compilations, the root source file was being ignored, even if it
contained `export` functions in it.
This commit is contained in:
Andrew Kelley 2021-04-30 11:24:15 -07:00
parent 2d8d681b5e
commit fb95fd8443
1 changed files with 4 additions and 0 deletions
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lib/std/start.zig
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@ -19,6 +19,10 @@ var argc_argv_ptr: [*]usize = undefined;
const start_sym_name = if (native_arch.isMIPS()) "__start" else "_start";
comptime {
// No matter what, we import the root file, so that any export, test, comptime
// decls there get run.
_ = root;
// The self-hosted compiler is not fully capable of handling all of this start.zig file.
// Until then, we have simplified logic here for self-hosted. TODO remove this once
// self-hosted is capable enough to handle all of the real start.zig logic.