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‎docs/error-messages/compiler-warnings/compiler-warning-c5072.md

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---
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description: "Learn more about: Compiler Warning (level 1) c5072"
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title: "Compiler Warning (level 1) c5072"
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ms.date: 02/09/2024
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f1_keywords: ["c5072"]
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helpviewer_keywords: ["c5072"]
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---
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# Compiler Warning (level 1) c5072
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> ASAN enabled without debug information emission. Enable debug info for better ASAN error reporting
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This warning occurs when you compile with [Address Sanitizer](/cpp/sanitizers/asan) (ASAN) turned on, but you don't also instruct the compiler to emit debug info. ASAN uses debug info to provide better diagnostics.
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## Example
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The following command line generates warning `C5072`:
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```cpp
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cl /fsanitize=address /EHsc test.cpp
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```
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To fix it, have the compiler generate debug information by using a switch like [`/Zi`](/cpp/build/reference/z7-zi-zi-debug-information-format#zi) or [`/Z7`](/cpp/build/reference/z7-zi-zi-debug-information-format#z7), like this: `cl /fsanitize=address /EHsc /Zi test.cpp`
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## See also
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[Address Sanitizer (ASAN)](/cpp/sanitizers/asan)

‎docs/error-messages/compiler-warnings/compiler-warnings-c4800-through-c4999.md

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---
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title: "Compiler warnings C4800 Through C5999"
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description: "Table of Microsoft C/C++ compiler warnings C4800 through C5999."
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ms.date: 01/18/2024
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f1_keywords: ["C4808", "C4809", "C4825", "C4827", "C4837", "C4842", "C4844", "C4845", "C4846", "C4847", "C4848", "C4854", "C4855", "C4856", "C4857", "C4872", "C4880", "C4881", "C4882", "C4916", "C4921", "C4934", "C4954", "C4955", "C4963", "C4966", "C4970", "C4971", "C4973", "C4974", "C4981", "C4983", "C4987", "C4988", "C4989", "C4990", "C4991", "C4992", "C4998", "C5022", "C5023", "C5024", "C5025", "C5026", "C5027", "C5028", "C5029", "C5030", "C5031", "C5032", "C5034", "C5035", "C5036", "C5039", "C5040", "C5041", "C5042", "C5043", "C5044", "C5047", "C5048", "C5049", "C5051", "C5052", "C5053", "C5057", "C5058", "C5059", "C5060", "C5061", "C5062", "C5063", "C5081", "C5100", "C5101", "C5102", "C5103", "C5104", "C5106", "C5107", "C5108", "C5200", "C5201", "C5202", "C5203", "C5204", "C5205", "C5206", "C5207", "C5209", "C5210", "C5211", "C5212", "C5213", "C5214", "C5215", "C5216", "C5217", "C5218", "C5219", "C5220", "C5221", "C5222", "C5223", "C5224", "C5225", "C5226", "C5227", "C5228", "C5229", "C5230", "C5231", "C5232", "C5233", "C5234", "C5235", "C5236", "C5237", "C5238", "C5239", "C5241", "C5242", "C5244", "C5245", "C5246", "C5249", "C5250", "C5251", "C5252", "C5253", "C5254", "C5255", "C5256", "C5257", "C5258", "C5259", "C5260", "C5261", "C5263", "C5264", "C5266", "C5300"]
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helpviewer_keywords: ["C4808", "C4809", "C4825", "C4827", "C4837", "C4842", "C4844", "C4845", "C4846", "C4847", "C4848", "C4854", "C4855", "C4856", "C4857", "C4872", "C4880", "C4881", "C4882", "C4916", "C4921", "C4934", "C4954", "C4955", "C4963", "C4966", "C4970", "C4971", "C4973", "C4974", "C4981", "C4983", "C4987", "C4988", "C4989", "C4990", "C4991", "C4992", "C4998", "C5022", "C5023", "C5024", "C5025", "C5026", "C5027", "C5028", "C5029", "C5030", "C5031", "C5032", "C5034", "C5035", "C5036", "C5039", "C5040", "C5041", "C5042", "C5043", "C5044", "C5047", "C5048", "C5049", "C5051", "C5052", "C5053", "C5057", "C5058", "C5059", "C5060", "C5061", "C5062", "C5063", "C5081", "C5100", "C5101", "C5102", "C5103", "C5104", "C5106", "C5107", "C5108", "C5200", "C5201", "C5202", "C5203", "C5204", "C5205", "C5206", "C5207", "C5209", "C5210", "C5211", "C5212", "C5213", "C5214", "C5215", "C5216", "C5217", "C5218", "C5219", "C5220", "C5221", "C5222", "C5223", "C5224", "C5225", "C5226", "C5227", "C5228", "C5229", "C5230", "C5231", "C5232", "C5233", "C5234", "C5235", "C5236", "C5237", "C5238", "C5239", "C5241", "C5242", "C5244", "C5245", "C5246", "C5249", "C5250", "C5251", "C5252", "C5253", "C5254", "C5255", "C5256", "C5257", "C5258", "C5259", "C5260", "C5261", "C5263", "C5264", "C5266", "C5300"]
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ms.date: 02/09/2024
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f1_keywords: ["C4808", "C4809", "C4825", "C4827", "C4837", "C4842", "C4844", "C4845", "C4846", "C4847", "C4848", "C4854", "C4855", "C4856", "C4857", "C4872", "C4880", "C4881", "C4882", "C4916", "C4921", "C4934", "C4954", "C4955", "C4963", "C4966", "C4970", "C4971", "C4973", "C4974", "C4981", "C4983", "C4987", "C4988", "C4989", "C4990", "C4991", "C4992", "C4998", "C5022", "C5023", "C5024", "C5025", "C5026", "C5027", "C5028", "C5029", "C5030", "C5031", "C5032", "C5034", "C5035", "C5036", "C5039", "C5040", "C5041", "C5042", "C5043", "C5044", "C5047", "C5048", "C5049", "C5051", "C5052", "C5053", "C5057", "C5058", "C5059", "C5060", "C5061", "C5062", "C5063", "C5072", "C5081", "C5100", "C5101", "C5102", "C5103", "C5104", "C5106", "C5107", "C5108", "C5200", "C5201", "C5202", "C5203", "C5204", "C5205", "C5206", "C5207", "C5209", "C5210", "C5211", "C5212", "C5213", "C5214", "C5215", "C5216", "C5217", "C5218", "C5219", "C5220", "C5221", "C5222", "C5223", "C5224", "C5225", "C5226", "C5227", "C5228", "C5229", "C5230", "C5231", "C5232", "C5233", "C5234", "C5235", "C5236", "C5237", "C5238", "C5239", "C5241", "C5242", "C5244", "C5245", "C5246", "C5249", "C5250", "C5251", "C5252", "C5253", "C5254", "C5255", "C5256", "C5257", "C5258", "C5259", "C5260", "C5261", "C5263", "C5264", "C5266", "C5300"]
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helpviewer_keywords: ["C4808", "C4809", "C4825", "C4827", "C4837", "C4842", "C4844", "C4845", "C4846", "C4847", "C4848", "C4854", "C4855", "C4856", "C4857", "C4872", "C4880", "C4881", "C4882", "C4916", "C4921", "C4934", "C4954", "C4955", "C4963", "C4966", "C4970", "C4971", "C4973", "C4974", "C4981", "C4983", "C4987", "C4988", "C4989", "C4990", "C4991", "C4992", "C4998", "C5022", "C5023", "C5024", "C5025", "C5026", "C5027", "C5028", "C5029", "C5030", "C5031", "C5032", "C5034", "C5035", "C5036", "C5039", "C5040", "C5041", "C5042", "C5043", "C5044", "C5047", "C5048", "C5049", "C5051", "C5052", "C5053", "C5057", "C5058", "C5059", "C5060", "C5061", "C5062", "C5063", "C5072", "C5081", "C5100", "C5101", "C5102", "C5103", "C5104", "C5106", "C5107", "C5108", "C5200", "C5201", "C5202", "C5203", "C5204", "C5205", "C5206", "C5207", "C5209", "C5210", "C5211", "C5212", "C5213", "C5214", "C5215", "C5216", "C5217", "C5218", "C5219", "C5220", "C5221", "C5222", "C5223", "C5224", "C5225", "C5226", "C5227", "C5228", "C5229", "C5230", "C5231", "C5232", "C5233", "C5234", "C5235", "C5236", "C5237", "C5238", "C5239", "C5241", "C5242", "C5244", "C5245", "C5246", "C5249", "C5250", "C5251", "C5252", "C5253", "C5254", "C5255", "C5256", "C5257", "C5258", "C5259", "C5260", "C5261", "C5263", "C5264", "C5266", "C5300"]
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---
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# Compiler warnings C4800 through C5999
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| Compiler warning (level 4) C5061 | the use of a comma operator as a subscript expression has been deprecated |
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| Compiler warning (level 4) C5062 | enum direct list initialization between 'type-1' and 'type-2' is no longer supported |
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| Compiler warning (level 1) C5063 | '`std::is_constant_evaluated`' always evaluates to true in manifestly constant-evaluated expressions |
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| [Compiler warning (level 1) C5072](compiler-warning-c5072.md) | ASAN enabled without debug information emission. Enable debug info for better ASAN error reporting |
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| Compiler warning (level 1) C5081 | Secure hotpatch is not supported with `/GENPROFILE`, `/FASTGENPROFILE` or `/LTCG:PGI`, disabling secure hotpatch. |
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| Compiler warning (level 1) C5100 | `__VA_ARGS__` is reserved for use in variadic macros |
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| Compiler warning (level 1) C5101 | use of preprocessor directive in function-like macro argument list is undefined behavior |
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| Compiler warning (level 1) C5236 | JSON ill-formed: *message*; ignoring '*filename*' |
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| Compiler warning (level 1) C5237 | cannot resolve header unit entry '*name*' to a header file in '*filename*'; ignoring entry |
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| Compiler warning (level 1) C5238 | file system error: cannot open '*filename*' for reading; ignoring |
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| Compiler warning (level 4) C5239 | '*symbol*': potentially-throwing function called from a function declared `__declspec(nothrow)`. Undefined behavior may occur if an exception is thrown. |
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| Compiler warning (level 4) C5239 | '*symbol*': potentially throwing function called from a function declared `__declspec(nothrow)`. Undefined behavior may occur if an exception is thrown. |
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| [Compiler warning (level 4) C5240](c5240.md) | '*attribute-name*': attribute is ignored in this syntactic position |
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| Compiler warning (level 1) C5241 | '`/exportHeader`' usage to lookup header-name is deprecated; prefer '/headerName:name value=filename' |
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| Compiler warning (level 1) C5242 | syntax error in pragma '*identifier*' |

‎docs/error-messages/toc.yml

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href: compiler-warnings/c5055.md
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- name: Compiler warning (level 1) C5056
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href: compiler-warnings/c5056.md
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- name: Compiler warning (level 1) C5072
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href: compiler-warnings/compiler-warning-c5072.md
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- name: Compiler warning (level 1) C5105
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href: compiler-warnings/c5105.md
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- name: Compiler warning (level 1) C5208

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