Author: Jan Svoboda
Date: 2021-01-05T20:10:07+01:00
New Revision: f111cf992df4ec00acfdd026eac12b36c3831999

URL: 
https://github.com/llvm/llvm-project/commit/f111cf992df4ec00acfdd026eac12b36c3831999
DIFF: 
https://github.com/llvm/llvm-project/commit/f111cf992df4ec00acfdd026eac12b36c3831999.diff

LOG: [clang][cli] Specify correct integer width for -fbuild-session-timestamp

This fixes an issue where large integer values were rejected as invalid.

Reviewed By: arphaman

Differential Revision: https://reviews.llvm.org/D94101

Added: 
    

Modified: 
    clang/include/clang/Driver/Options.td
    clang/unittests/Frontend/CompilerInvocationTest.cpp

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/Driver/Options.td 
b/clang/include/clang/Driver/Options.td
index 9a851f63a663..c7da888968a8 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -1767,7 +1767,7 @@ def fmodules_search_all : Flag <["-"], 
"fmodules-search-all">, Group<f_Group>,
 def fbuild_session_timestamp : Joined<["-"], "fbuild-session-timestamp=">,
   Group<i_Group>, Flags<[CC1Option]>, MetaVarName<"<time since Epoch in 
seconds>">,
   HelpText<"Time when the current build session started">,
-  MarshallingInfoStringInt<"HeaderSearchOpts->BuildSessionTimestamp">;
+  MarshallingInfoStringInt<"HeaderSearchOpts->BuildSessionTimestamp", "0", 
"uint64_t">;
 def fbuild_session_file : Joined<["-"], "fbuild-session-file=">,
   Group<i_Group>, MetaVarName<"<file>">,
   HelpText<"Use the last modification time of <file> as the build session 
timestamp">;

diff  --git a/clang/unittests/Frontend/CompilerInvocationTest.cpp 
b/clang/unittests/Frontend/CompilerInvocationTest.cpp
index 51b7ba8c147f..83ae169f9929 100644
--- a/clang/unittests/Frontend/CompilerInvocationTest.cpp
+++ b/clang/unittests/Frontend/CompilerInvocationTest.cpp
@@ -368,6 +368,18 @@ TEST_F(CommandLineTest, 
CanGenerateCC1COmmandLineSeparateEnumDefault) {
   ASSERT_THAT(GeneratedArgs, Not(Contains(StrEq("pic"))));
 }
 
+// Wide integer option.
+
+TEST_F(CommandLineTest, WideIntegerHighValue) {
+  const char *Args[] = {"-fbuild-session-timestamp=1609827494445723662"};
+
+  CompilerInvocation::CreateFromArgs(Invocation, Args, *Diags);
+
+  ASSERT_FALSE(Diags->hasErrorOccurred());
+  ASSERT_EQ(Invocation.getHeaderSearchOpts().BuildSessionTimestamp,
+            1609827494445723662ull);
+}
+
 // Tree of boolean options that can be (directly or transitively) implied by
 // their parent:
 //


        
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