67e2298311
For this patch, a simple search was performed for patterns where there are two types (usually an LHS and an RHS) which are structurally the same, and there is some result type which is resolved as either one of them (typically LHS for consistency). We change those cases to resolve as the common sugared type between those two, utilizing the new infrastructure created for this purpose. Signed-off-by: Matheus Izvekov <mizvekov@gmail.com> Differential Revision: https://reviews.llvm.org/D111509
27 lines
1.5 KiB
C++
27 lines
1.5 KiB
C++
// RUN: %clangxx -fsanitize=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
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// RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=all -fsanitize-recover=unsigned-integer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=RECOVER
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// RUN: %env_ubsan_opts=silence_unsigned_overflow=1 %run %t 2>&1 | FileCheck %s --check-prefix=SILENT-RECOVER --allow-empty
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// RUN: %clangxx -fsanitize=unsigned-integer-overflow -fno-sanitize-recover=unsigned-integer-overflow %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=ABORT
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// RUN: %env_ubsan_opts=silence_unsigned_overflow=1 not %run %t 2>&1 | FileCheck %s --check-prefix=ABORT
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#include <stdint.h>
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int main() {
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// These promote to 'int'.
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(void)(uint8_t(0xff) + uint8_t(0xff));
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(void)(uint16_t(0xf0fff) + uint16_t(0x0fff));
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// RECOVER-NOT: runtime error
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// ABORT-NOT: runtime error
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uint32_t k = 0x87654321;
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k += 0xedcba987;
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// RECOVER: no-recover.cpp:[[@LINE-1]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int'
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// ABORT: no-recover.cpp:[[@LINE-2]]:5: runtime error: unsigned integer overflow: 2271560481 + 3989547399 cannot be represented in type 'unsigned int'
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(void)(uint64_t(10000000000000000000ull) + uint64_t(9000000000000000000ull));
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// RECOVER: 10000000000000000000 + 9000000000000000000 cannot be represented in type '{{uint64_t|unsigned long( long)?}}'
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// SILENT-RECOVER-NOT: runtime error
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// ABORT-NOT: runtime error
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}
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