9fb7290861
All units share one link namespace (per-unit isolation is PLAN-C C3.2, deferred), so a symbol defined by two units previously died inside the JIT dylib link or the AOT link with raw linker spew. The clang shim gains sx_clang_object_exported_symbols (llvm::object scan: defined + global, format-specific excluded) and compileCToObjects cross-checks every unit object — collisions name both source files. Scan failures are non-fatal; the linker remains the backstop. Covers JIT and native AOT; the emcc path still relies on wasm-ld's own error.
21 lines
563 B
Plaintext
21 lines
563 B
Plaintext
// Two `#import c` units defining the same exported symbol is a
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// compile-time diagnostic naming both sources — previously it died
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// inside the JIT dylib link (or the AOT link) with raw linker spew.
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// All units share one link namespace; per-unit symbol isolation is
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// PLAN-C C3.2 (deferred).
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#import "modules/std.sx";
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ua :: #import c {
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#source "1628-cimport-duplicate-export/a.c";
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};
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ub :: #import c {
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#source "1628-cimport-duplicate-export/b.c";
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};
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clash :: () -> i32 #foreign ua "clash";
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main :: () -> i32 {
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print("{}\n", clash());
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0
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}
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