[PATCH] D155407: [Driver] Warn about all instances -mios-version-min not just the last

[Cassie Jones via Phabricator via cfe-commits]

porglezomp created this revision.
porglezomp added reviewers: arphaman, t.p.northover, MaskRay, ahatanak.
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Follow-up to D155123 <https://reviews.llvm.org/D155123>, uniformly handle cases where there are duplicate
-mios-verion-min arguments.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155407

Files:
  clang/lib/Driver/ToolChains/Darwin.cpp
  clang/test/Driver/macho-embedded.c


Index: clang/test/Driver/macho-embedded.c
===================================================================
--- clang/test/Driver/macho-embedded.c
+++ clang/test/Driver/macho-embedded.c
@@ -7,6 +7,7 @@
 // RUN: %clang -arch armv7em -target thumbv7-apple-darwin -### -c %s 2>&1 | FileCheck %s --check-prefix=CHECK-MACHO-EMBEDDED
 
 // RUN: %clang -arch armv7m --target=thumbv7-apple-ios -mios-version-min=5 -fdriver-only -c %s 2>&1 | FileCheck %s --check-prefix=CHECK-MACHO-EMBEDDED-DIAG
+// RUN: %clang -arch armv7m --target=thumbv7-apple-ios -mios-version-min=5 -mios-version-min=5 -fdriver-only -c %s 2>&1 | FileCheck %s --check-prefix=CHECK-MACHO-EMBEDDED-DIAG
 
 // CHECK-IOS: "-triple" "thumbv7" "thumbv7-apple-ios
 
Index: clang/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.cpp
+++ clang/lib/Driver/ToolChains/Darwin.cpp
@@ -87,7 +87,7 @@
       ArchKind == llvm::ARM::ArchKind::ARMV7EM) {
     // Don't reject -mios-version-min= if we have an iOS triple.
     if (T.isiOS())
-      if (Arg *A = Args.getLastArgNoClaim(options::OPT_mios_version_min_EQ))
+      for (Arg *A : Args.filtered(options::OPT_mios_version_min_EQ))
         A->ignoreTargetSpecific();
 
     T.setOS(llvm::Triple::UnknownOS);


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