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Don't emit clang error if source or filename pointer is null

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Sam Tebbs 2019-08-07 11:51:12 +01:00 committed by Andrew Kelley
parent 2cd5e55581
commit 8621e3b5bd
1 changed files with 9 additions and 6 deletions
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15
src/ir.cpp
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@ -21312,12 +21312,15 @@ static IrInstruction *ir_analyze_instruction_c_import(IrAnalyze *ira, IrInstruct
}
for (size_t i = 0; i < errors_len; i += 1) {
Stage2ErrorMsg *clang_err = &errors_ptr[i];
ErrorMsg *err_msg = err_msg_create_with_offset(
clang_err->filename_ptr ?
buf_create_from_mem(clang_err->filename_ptr, clang_err->filename_len) : buf_alloc(),
clang_err->line, clang_err->column, clang_err->offset, clang_err->source,
buf_create_from_mem(clang_err->msg_ptr, clang_err->msg_len));
err_msg_add_note(parent_err_msg, err_msg);
// Clang can emit "too many errors, stopping now", in which case `source` and `filename_ptr` are null
if (clang_err->source && clang_err->filename_ptr) {
ErrorMsg *err_msg = err_msg_create_with_offset(
clang_err->filename_ptr ?
buf_create_from_mem(clang_err->filename_ptr, clang_err->filename_len) : buf_alloc(),
clang_err->line, clang_err->column, clang_err->offset, clang_err->source,
buf_create_from_mem(clang_err->msg_ptr, clang_err->msg_len));
err_msg_add_note(parent_err_msg, err_msg);
}
}
return ira->codegen->invalid_instruction;