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TheRock/compiler/amd-llvm/clang/test/ClangScanDeps/modules-by-name-detailed-preprocessing-record.c
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

42 lines
1.1 KiB
C

// Test that scanning multiple modules by name does not crash due to
// use-after-free of PreprocessingRecord when removePPCallbacks() is
// called between scans. The option -detailed-preprocessing-record leads
// to the creation of a PreprocessingRecord instance.
//
// Without the corresponding fix in the Preprocessor, this test fails with
// address sanitizer.
//
// RUN: rm -rf %t
// RUN: split-file %s %t
//--- module.modulemap
module A {
header "A.h"
}
module B {
header "B.h"
use A
}
//--- A.h
#define A_VALUE 1
//--- B.h
#include "A.h"
int b_val = A_VALUE;
//--- cdb.json.template
[{
"file": "",
"directory": "DIR",
"command": "clang -fmodules -fmodules-cache-path=DIR/cache -fimplicit-module-maps -IDIR -Xclang -detailed-preprocessing-record -x c"
}]
// RUN: sed "s|DIR|%/t|g" %t/cdb.json.template > %t/cdb.json
// RUN: clang-scan-deps -compilation-database %t/cdb.json -format experimental-full -module-names=A,B > %t/result.json
// RUN: cat %t/result.json | FileCheck %s
// CHECK: "modules": [
// CHECK: "name": "A"
// CHECK: "name": "B"