Hojun-Cho
5ddada94e5
A module-global base has no frame slot; treating its local-lookup miss as offset zero wrote .ptr/.len/.cap at the caller return address. LEAQ the symbol like the struct-field global arms do. Both stages.
20 lines
538 B
Plaintext
20 lines
538 B
Plaintext
// A module-global slice header is not a BP-relative local. Writing its
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// pseudo-fields through offset zero overwrites the caller's saved control
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// state instead of the global header.
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package global_slice_pseudofield_store_test;
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let values: []i64 = [10, 20, 30, 40];
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let replacement: [2]i64 = [70, 80];
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@test fn global_header_store() void = {
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values.ptr = &replacement[0];
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values.len = 1;
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values.cap = 2;
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values.len += 1;
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assert(values.len == 2);
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assert(values.cap == 2);
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assert(values[0] == 70);
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assert(values[1] == 80);
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};
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