163a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl//===--- Warnings.cpp - C-Language Front-end ------------------------------===// 263a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 363a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// The LLVM Compiler Infrastructure 463a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 563a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// This file is distributed under the University of Illinois Open Source 663a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// License. See LICENSE.TXT for details. 763a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 863a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl//===----------------------------------------------------------------------===// 963a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 1063a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// Command line warning options handler. 1163a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 1263a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl//===----------------------------------------------------------------------===// 1363a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 1463a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// This file is responsible for handling all warning options. This includes 1563a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// a number of -Wfoo options and their variants, which are driven by TableGen- 16a3b089e062133bdc0e5c39ea03f8b78230953f6cChris Lattner// generated data, and the special cases -pedantic, -pedantic-errors, -w, 17a3b089e062133bdc0e5c39ea03f8b78230953f6cChris Lattner// -Werror and -Wfatal-errors. 1863a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 19c5613db921c87067660b262af379b38a2791e412Sebastian Redl// Each warning option controls any number of actual warnings. 2063a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// Given a warning option 'foo', the following are valid: 21a3b089e062133bdc0e5c39ea03f8b78230953f6cChris Lattner// -Wfoo, -Wno-foo, -Werror=foo, -Wfatal-errors=foo 2263a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl// 23b09f6e15c59b89d5820db8ef40598eb1d1323c1fEli Friedman#include "clang/Frontend/Utils.h" 2463a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl#include "clang/Basic/Diagnostic.h" 2502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor#include "clang/Basic/DiagnosticOptions.h" 268ea841b1152308ae11c23a7836dead36e47d96e3Chris Lattner#include "clang/Frontend/FrontendDiagnostic.h" 2755fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Lex/LexDiagnostic.h" 2855fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include "clang/Sema/SemaDiagnostic.h" 2955fc873017f10f6f566b182b70f6fc22aefa3464Chandler Carruth#include <algorithm> 30ac8d6298a8ae9276412d8c054957dfa65a69eb14Eli Friedman#include <cstring> 3163a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl#include <utility> 3263a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redlusing namespace clang; 3363a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl 34588e83bf3e998d79d3acc7c7179ca466787f72ccChad Rosier// EmitUnknownDiagWarning - Emit a warning and typo hint for unknown warning 35588e83bf3e998d79d3acc7c7179ca466787f72ccChad Rosier// opts 3699643d951e56359c1bead5ce70be3883a06b520aChad Rosierstatic void EmitUnknownDiagWarning(DiagnosticsEngine &Diags, 37dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer StringRef Prefix, StringRef Opt, 38dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer bool isPositive) { 39dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer StringRef Suggestion = DiagnosticIDs::getNearestWarningOption(Opt); 40dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer if (!Suggestion.empty()) 41dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer Diags.Report(isPositive? diag::warn_unknown_warning_option_suggest : 42dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer diag::warn_unknown_negative_warning_option_suggest) 43dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer << (Prefix.str() += Opt) << (Prefix.str() += Suggestion); 44dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer else 45dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer Diags.Report(isPositive? diag::warn_unknown_warning_option : 46dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer diag::warn_unknown_negative_warning_option) 47dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer << (Prefix.str() += Opt); 48dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer} 49dce6327160a6e333137b34cce77e2dfc2cd5aab6Benjamin Kramer 50d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikievoid clang::ProcessWarningOptions(DiagnosticsEngine &Diags, 5108e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier const DiagnosticOptions &Opts, 5208e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier bool ReportDiags) { 5327ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner Diags.setSuppressSystemWarnings(true); // Default to -Wno-system-headers 546907943901e0aae5be7618c36c0f8275634e6ab5Daniel Dunbar Diags.setIgnoreAllWarnings(Opts.IgnoreWarnings); 55dc7b641574a733624489bd87fc7061771edf2113Douglas Gregor Diags.setShowOverloads(Opts.getShowOverloads()); 56246b6aa6763de8c617d564ef33123a8f3293a80eRichard Trieu 57246b6aa6763de8c617d564ef33123a8f3293a80eRichard Trieu Diags.setElideType(Opts.ElideType); 58246b6aa6763de8c617d564ef33123a8f3293a80eRichard Trieu Diags.setPrintTemplateTree(Opts.ShowTemplateTree); 59246b6aa6763de8c617d564ef33123a8f3293a80eRichard Trieu Diags.setShowColors(Opts.ShowColors); 60246b6aa6763de8c617d564ef33123a8f3293a80eRichard Trieu 61c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner // Handle -ferror-limit 62c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner if (Opts.ErrorLimit) 63c100214fdc41a7ea215f75d433eb1cb829fd4330Chris Lattner Diags.setErrorLimit(Opts.ErrorLimit); 64575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor if (Opts.TemplateBacktraceLimit) 65575cf3791216c33770ba950430493cdd43099f8fDouglas Gregor Diags.setTemplateBacktraceLimit(Opts.TemplateBacktraceLimit); 6608d6e032a2a0a8656d12b3b7b93942987bb12eb7Richard Smith if (Opts.ConstexprBacktraceLimit) 6708d6e032a2a0a8656d12b3b7b93942987bb12eb7Richard Smith Diags.setConstexprBacktraceLimit(Opts.ConstexprBacktraceLimit); 6863a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl 69b54b276a920246c595a0498da281821eb9d22996Chris Lattner // If -pedantic or -pedantic-errors was specified, then we want to map all 70b54b276a920246c595a0498da281821eb9d22996Chris Lattner // extension diagnostics onto WARNING or ERROR unless the user has futz'd 71b54b276a920246c595a0498da281821eb9d22996Chris Lattner // around with them explicitly. 726907943901e0aae5be7618c36c0f8275634e6ab5Daniel Dunbar if (Opts.PedanticErrors) 73d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie Diags.setExtensionHandlingBehavior(DiagnosticsEngine::Ext_Error); 746907943901e0aae5be7618c36c0f8275634e6ab5Daniel Dunbar else if (Opts.Pedantic) 75d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie Diags.setExtensionHandlingBehavior(DiagnosticsEngine::Ext_Warn); 76b54b276a920246c595a0498da281821eb9d22996Chris Lattner else 77d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie Diags.setExtensionHandlingBehavior(DiagnosticsEngine::Ext_Ignore); 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79cfa88f893915ceb8ae4ce2f17c46c24a4d67502fDmitri Gribenko SmallVector<diag::kind, 10> _Diags; 80c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith const IntrusiveRefCntPtr< DiagnosticIDs > DiagIDs = 8105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.getDiagnosticIDs(); 8205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // We parse the warning options twice. The first pass sets diagnostic state, 8305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // while the second pass reports warnings/errors. This has the effect that 8405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // we follow the more canonical "last option wins" paradigm when there are 8505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // conflicting options. 8605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier for (unsigned Report = 0, ReportEnd = 2; Report != ReportEnd; ++Report) { 8705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier bool SetDiagnostic = (Report == 0); 8808e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier 8908e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier // If we've set the diagnostic state and are not reporting diagnostics then 9008e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier // we're done. 9108e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier if (!SetDiagnostic && !ReportDiags) 9208e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier break; 9308e79d2f075d1326ff7a849fd1bc88dadf99d574Chad Rosier 9405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) { 9505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier StringRef Opt = Opts.Warnings[i]; 96ff1affef282d7146e14c8aa894eb5466a659398cChad Rosier StringRef OrigOpt = Opts.Warnings[i]; 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98c8769460f1c03bc321b00f5611f9965e8385e64dHans Wennborg // Treat -Wformat=0 as an alias for -Wno-format. 99c8769460f1c03bc321b00f5611f9965e8385e64dHans Wennborg if (Opt == "format=0") 100c8769460f1c03bc321b00f5611f9965e8385e64dHans Wennborg Opt = "no-format"; 101c8769460f1c03bc321b00f5611f9965e8385e64dHans Wennborg 10205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // Check to see if this warning starts with "no-", if so, this is a 10305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // negative form of the option. 10405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier bool isPositive = true; 10505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt.startswith("no-")) { 10605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier isPositive = false; 10705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Opt = Opt.substr(3); 1085147e8e0186ec7d4c2c2aeb348c0354c1c3302f9Chris Lattner } 1091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // Figure out how this option affects the warning. If -Wfoo, map the 11105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // diagnostic to a warning, if -Wno-foo, map it to ignore. 11205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier diag::Mapping Mapping = isPositive ? diag::MAP_WARNING : diag::MAP_IGNORE; 11305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 11405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // -Wsystem-headers is a special case, not driven by the option table. It 11505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // cannot be controlled with -Werror. 11605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt == "system-headers") { 11705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (SetDiagnostic) 11805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setSuppressSystemWarnings(!isPositive); 1195147e8e0186ec7d4c2c2aeb348c0354c1c3302f9Chris Lattner continue; 12063a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl } 12105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 12205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // -Weverything is a special case as well. It implicitly enables all 12305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // warnings, including ones not explicitly in a warning group. 12405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt == "everything") { 12511583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis if (SetDiagnostic) { 12611583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis if (isPositive) { 12711583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis Diags.setEnableAllWarnings(true); 12811583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis } else { 12911583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis Diags.setEnableAllWarnings(false); 13011583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis Diags.setMappingToAllDiagnostics(diag::MAP_IGNORE); 13111583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis } 13211583c757bac6ce5c342f2eb572055dd2619a657Argyrios Kyrtzidis } 13305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier continue; 1344aa8f2bce0f498152d624f748712a991adc23fddDaniel Dunbar } 13505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 13605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // -Werror/-Wno-error is a special case, not controlled by the option 13705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // table. It also has the "specifier" form of -Werror=foo and -Werror-foo. 13805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt.startswith("error")) { 13905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier StringRef Specifier; 14005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt.size() > 5) { // Specifier must be present. 14105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if ((Opt[5] != '=' && Opt[5] != '-') || Opt.size() == 6) { 14205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Report) 14305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.Report(diag::warn_unknown_warning_specifier) 144ff1affef282d7146e14c8aa894eb5466a659398cChad Rosier << "-Werror" << ("-W" + OrigOpt.str()); 14505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier continue; 14605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 14705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Specifier = Opt.substr(6); 14805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 14905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 15005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Specifier.empty()) { 15105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (SetDiagnostic) 15205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setWarningsAsErrors(isPositive); 153e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner continue; 154e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner } 15505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 15605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (SetDiagnostic) { 15705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // Set the warning as error flag for this specifier. 15805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setDiagnosticGroupWarningAsError(Specifier, isPositive); 15905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } else if (DiagIDs->getDiagnosticsInGroup(Specifier, _Diags)) { 1604e969445d3ae80f8c6283bd94323223bf26701dcBenjamin Kramer EmitUnknownDiagWarning(Diags, "-Werror=", Specifier, isPositive); 16105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 16205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier continue; 163e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner } 16405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 16505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // -Wfatal-errors is yet another special case. 16605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt.startswith("fatal-errors")) { 16705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier StringRef Specifier; 16805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Opt.size() != 12) { 16905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if ((Opt[12] != '=' && Opt[12] != '-') || Opt.size() == 13) { 17005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Report) 17105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.Report(diag::warn_unknown_warning_specifier) 172ff1affef282d7146e14c8aa894eb5466a659398cChad Rosier << "-Wfatal-errors" << ("-W" + OrigOpt.str()); 17305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier continue; 17405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 17505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Specifier = Opt.substr(13); 17605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 177e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner 17805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (Specifier.empty()) { 17905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (SetDiagnostic) 18005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setErrorsAsFatal(isPositive); 18105272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier continue; 18205272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 18305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 18405272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier if (SetDiagnostic) { 18505272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier // Set the error as fatal flag for this specifier. 18605272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setDiagnosticGroupErrorAsFatal(Specifier, isPositive); 18705272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } else if (DiagIDs->getDiagnosticsInGroup(Specifier, _Diags)) { 1884e969445d3ae80f8c6283bd94323223bf26701dcBenjamin Kramer EmitUnknownDiagWarning(Diags, "-Wfatal-errors=", Specifier, 1894e969445d3ae80f8c6283bd94323223bf26701dcBenjamin Kramer isPositive); 19005272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } 191e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner continue; 192e663c720063fc9ff9f75bcbe38cd070c73c78b0eChris Lattner } 19305272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier 194496cc8eae2c69b8fd36a2b3e815dd0e8207ec493Chad Rosier if (Report) { 195496cc8eae2c69b8fd36a2b3e815dd0e8207ec493Chad Rosier if (DiagIDs->getDiagnosticsInGroup(Opt, _Diags)) 1966a1fd4a078c96fef37609208661d6cd9309365c4Chad Rosier EmitUnknownDiagWarning(Diags, isPositive ? "-W" : "-Wno-", Opt, 1976a1fd4a078c96fef37609208661d6cd9309365c4Chad Rosier isPositive); 19805272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier } else { 19905272a659437fc6ec7fa5a7c3f3fc6eb220a6fa2Chad Rosier Diags.setDiagnosticGroupMapping(Opt, Mapping); 2004aa8f2bce0f498152d624f748712a991adc23fddDaniel Dunbar } 2014aa8f2bce0f498152d624f748712a991adc23fddDaniel Dunbar } 20263a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl } 20363a9e0ff79f01a542afaf9b912e3dee3d395ebc5Sebastian Redl} 204