[PECOFF] Enable dead-stripping even if /debug option is given.
/debug makes MSVC link.exe to not remove unused sections from the resulting executable. We did the same thing before. However, I realized that the removal of associative section depends on the dead-stripping pass in LLD, so we cannot disable that. Or LLD may produce slightly broken executables that have too much data in it (which could result in nasty subtle bugs). This patch is a temporary measure to create correct executable. Currently /debug does not have any real effect for LLD anyway. I'll improve associative section handling in another patch, so that they are removed from output without depending on the dead-stripping pass. llvm-svn: 222483
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@ -1177,8 +1177,9 @@ bool WinLinkDriver::parse(int argc, const char *argv[],
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case OPT_debug:
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// LLD is not yet capable of creating a PDB file, so /debug does not have
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// any effect, other than disabling dead stripping.
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ctx.setDeadStripping(false);
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// any effect.
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// TODO: This should disable dead stripping. Currently we can't do that
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// because removal of associative sections depends on dead stripping.
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break;
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case OPT_verbose:
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@ -547,7 +547,7 @@ TEST_F(WinLinkParserTest, SwapRunFromNet) {
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TEST_F(WinLinkParserTest, Debug) {
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EXPECT_TRUE(parse("link.exe", "/debug", "a.out", nullptr));
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EXPECT_FALSE(_context.deadStrip());
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EXPECT_TRUE(_context.deadStrip());
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}
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TEST_F(WinLinkParserTest, Fixed) {
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